CN110981102A - Landscape pool for restoring water body polluted ecological environment and use method thereof - Google Patents
Landscape pool for restoring water body polluted ecological environment and use method thereof Download PDFInfo
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- CN110981102A CN110981102A CN201911319714.8A CN201911319714A CN110981102A CN 110981102 A CN110981102 A CN 110981102A CN 201911319714 A CN201911319714 A CN 201911319714A CN 110981102 A CN110981102 A CN 110981102A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to a landscape pool for restoring ecological environment polluted by water and a using method thereof, relating to the technical field of water purification and comprising a first dam wall, a second dam wall and a third dam wall which are sequentially arranged along the water flow direction, wherein the upper end face of the second dam wall is higher than the upper end face of the third dam wall, a settlement area is formed between the first dam wall and the second dam wall, a planting area is formed between the second dam wall and the third dam wall, an aquatic plant module is arranged in the planting area, one side of the third dam wall close to the second dam wall is detachably provided with at least one filtering laminate, and the upper end face of the filtering laminate is higher than the upper end face of the third dam wall. In stream and comparatively shallow narrower river course, can build settlement zone and planting district through set up first dam wall, second dam wall and third dam wall in the river course, can realize subsiding the function in the settlement zone, and the function of macromolecular organic matter degradation can be realized in planting district, from this, makes the view pond when guaranteeing to filter purification effect its construction work volume littleer more simple and convenient.
Description
Technical Field
The invention relates to the technical field of water body purification, in particular to a landscape pool for restoring water body polluted ecological environment and a using method thereof.
Background
Water is an important component of human ecology and plays an important role in the origin and evolution of life. However, with the rapid development of industry and agriculture, environmental pollution is increased, water pollution is serious, and more toxic and harmful substances enter water. At present, polluted riverways mostly adopt a water source extraction mode, and water sources are separated by fence nets, filtered to remove silt and then enter a water pool so as to be filtered and purified in the water pool.
The invention with the publication number of CN107055814A discloses a landscape pool for restoring water body polluted ecological environment and a using method thereof, wherein a sedimentation pool part, a treatment pool part, a landscape pool part and a degradation pool part are built and correspondingly communicated, then a polluted water source is extracted from a river channel by a first slurry pump and enters the sedimentation pool for sedimentation, the settled water is extracted by a first water pump and enters the landscape pool to be adsorbed and filtered by green plants, active carbon and other substances, then the water is extracted by a second water pump and enters the degradation pool for degradation, filtration and purification, and the filtered and purified water is discharged back to the river channel by an automatic valve.
However, the construction of the sedimentation tank part, the treatment tank part, the landscape tank part and the degradation tank part has large construction amount and low cost performance for streams and shallow and narrow river channels. And the active carbon at the bottom of the landscape pool can not be replaced when the active carbon fails, thereby weakening the filtering and purifying effect of the landscape pool.
Disclosure of Invention
The invention aims to provide a landscape pool for restoring ecological environment polluted by water, aiming at solving the technical problems of constructing a landscape pool capable of simplifying construction engineering quantity and ensuring filtering and purifying effects aiming at streams and shallower and narrower riverways.
The first invention of the present invention is realized by the following technical scheme:
the utility model provides a to prosthetic view pond of water pollution ecological environment, includes first dam wall, second dam wall and the third dam wall that sets gradually along the rivers direction, the up end of second dam wall is higher than the up end of third dam wall, first dam wall with be formed with the subsidence area between the second dam wall, the second dam wall with be formed with planting area between the third dam wall, be provided with the aquatic plant module in the planting area, third dam wall is close to one side detachably of second dam wall is provided with at least one and filters the plywood, the up end of filtering the plywood is higher than the up end of third dam wall.
By adopting the technical scheme, water flows enter the sedimentation area after passing through the first dam wall, and overflows from the upper end surface of the second dam wall into the planting area after sedimentation in the sedimentation area, the aquatic plant module biodegrades macromolecular organic matters contained in water in the planting area, and then small-molecular organic matters are filtered by the filtering laminate;
at the brook with comparatively shallow narrower river course, through set up first dam wall in the river course, settlement zone and planting district can be built to second dam wall and third dam wall, can realize the settlement function of settling basin portion in the settlement zone, the function of the interior macromolecular organic matter degradation of view pond portion can be realized to planting district, for the extra condition through slush pump and suction pump intercommunication after building settling basin portion and view pond portion, therefore, make this view pond when guaranteeing the filtration purification effect its construction work volume littleer more simple and convenient.
The invention is further configured to: one side of the third dam wall, which is close to the second dam wall, is provided with a water storage wall, the upper end face of the water storage wall is lower than the upper end face of the third dam wall, and an installation groove for embedding the filtering laminate is formed between the water storage wall and the third dam wall.
Through adopting above-mentioned technical scheme, the mode that filters the plywood through plug embedding mounting groove realizes installation and dismantlement to be convenient for filter the change of plywood.
The invention is further configured to: a water storage groove is formed between the water storage wall and the second dam wall, the aquatic plant module is located in the water storage groove, a water passing through groove is formed in the lower end of the third dam wall, and the water passing through groove is communicated with the mounting groove.
Through adopting above-mentioned technical scheme, the water of subsidence area overflows from the upper end of second dam wall and enters into planting the district, leaves planting the district from planting the lower extreme water through groove in district again, and the setting up of catch basin makes the bottom in planting the district keep somewhere all the time and has supplied the required water of aquatic plant module production, avoids aquatic plant module lack of water and inefficacy.
The invention is further configured to: an aeration device is erected in the planting area and comprises a main air pipe arranged on the second dam wall, a plurality of branch air pipes with one ends communicated with the main air pipe and an air pump used for supplying air to the main air pipe, and the other ends of the branch air pipes extend into the water in the water storage tank.
Through adopting above-mentioned technical scheme, the air pump starts to ventilate to the catch basin internal water through main trachea and bronchus to increase the dissolved oxygen volume of aquatic, thereby provide oxygen for the root system of aquatic plant module, in order to guarantee the normal operating of aquatic plant module.
The invention is further configured to: the filtering laminate comprises a laminate body, a placing groove is formed in the upper end face of the laminate body, one face, close to the second dam wall, of the laminate body is provided with a plurality of water inlet through holes communicated with the placing groove, one face, close to the third dam wall, of the laminate body is provided with a plurality of water outlet through holes communicated with the placing groove, the placing groove is filled with a filtering medium, and the opening of the placing groove is detachably provided with a cover body.
By adopting the technical scheme, water enters the placing groove through the water inlet through hole, and micromolecular organic matters in the water are discharged from the water outlet through hole after staying in the placing groove under the action of the filter medium;
after the filtering laminate with the deteriorated filtering effect is taken out, the cover body is opened to replace the filtering medium in the placing groove, and the plate body can be repeatedly utilized to reduce the cost and reduce the waste of resources.
The invention is further configured to: the upper end face of the second dam wall is provided with an overflow groove, one end of the second dam wall is provided with a water retaining wall, the water retaining wall is located on one side, close to the first dam wall, of the second dam wall, a large water flow buffer groove is formed in a surrounding mode at one end of the second dam wall, and the upper end face of the water retaining wall is flush with the upper end face of the second dam wall.
Through adopting above-mentioned technical scheme, when rivers are great, the water part in the subsidence area enters into planting the district from the overflow of second dam wall, another part overflow enters into the big rivers dashpot to the up end overflow from the second dam wall enters into planting the district after the big rivers dashpot subsides again, from this, make this view pond can increase the subsidence area of subsidence area when discharge is great, and when rivers are less, subside the area less so that it is more convenient to clear up the silt that subsides in the subsidence area.
The invention is further configured to: the tiling of subsidence area is provided with the device that sinks that is used for collecting the sediment that subsides, the device that sinks that gathers including place in the box is sunk to the collection of subsidence area bottom with fixed set up in the filter plate that subsides on the box is sunk to the collection.
Through adopting above-mentioned technical scheme, rivers are when subsiding the filter plate, and silt in the rivers is detained and is fallen into the collection and sink the box on subsiding the filter plate, subsides the filter plate through mentioning and can take out the collection and sink the box to be convenient for the clearance of subside district silt.
The invention is further configured to: the device is subsided to collection still includes detachably the mounting bracket of second dam wall, the mounting bracket is located the top in settlement zone, it is close to subside the filter plate one side of second dam wall with the mounting bracket is contradicted.
Through adopting above-mentioned technical scheme, the mounting bracket is contradicted with the one side that subsides the filter plate and be close to second dam wall to avoid subsiding the filter plate and overturn and the upset of the heavy box that gathers that leads to under the promotion of rivers.
The invention aims to provide a method for using the landscape pool for restoring the ecological environment polluted by the water body, aiming at stream and shallow and narrow river channels, the construction work amount of the landscape pool can be more convenient, and the stability of the filtering and purifying effect of the landscape pool is ensured.
The second invention is realized by the following technical scheme:
a use method of a landscape pool for restoring water body polluted ecological environment comprises the following steps:
s1, sequentially building a first dam wall, a second dam wall and a third dam wall along the water flow direction, respectively building water retaining walls at two ends of one side, close to the first dam wall, of the second dam wall to form a large water flow buffer groove, and building a water storage wall at one side, close to the second dam wall, of the third dam wall to form a water storage groove between the second dam wall and the water storage wall;
s2, installing a sediment collection device on one side, close to the first dam wall, of the second dam wall, wherein the sediment collection device is located between the two large water flow buffer tanks to carry out primary sedimentation on the silt in the water flow;
s3, putting the aquatic plant module in the water storage tank, and installing an aeration device on the second dam wall, wherein macromolecular organic matters in the water flow are degraded in the planting area;
s4, installing a filtering laminate in the installation groove, adsorbing small molecular organic matters in the water flow by the filtering laminate to filter and purify the water flow, and then flowing out of the water flow through groove of the third dam wall;
s5, when the water flow is too large, the water flow in the settling zone overflows into the large water flow buffer tank to increase the settling area of the settling zone;
s6, regularly taking out the collecting and settling box, cleaning the collecting and settling box, and placing the cleaned collecting and settling box back to the original position to reduce the sediment accumulation in a settling area;
and S7, replacing the filtering laminate periodically to ensure the adsorption capacity of the filtering laminate to the small molecular organic matters in the water.
By adopting the technical scheme, a sedimentation area and a planting area can be constructed by arranging the first dam wall, the second dam wall and the third dam wall in the river channel, the sedimentation function of the sedimentation tank part can be realized in the sedimentation area, and the function of degrading macromolecular organic matters in the landscape tank part can be realized in the planting area;
when excessive silt is accumulated in the collecting and settling box, the collecting and settling box is taken out and cleaned, so that the size of a settling space of a settling area is ensured to ensure a settling effect;
when the adsorption capacity of the filter medium in the filter laminate is reduced, the filter laminate is taken out and the filter medium in the placing groove is replaced, so that the filtering and purifying effect of the filter laminate is ensured;
therefore, the use method of the landscape pool ensures the stability of the filtering and purifying effect of the landscape pool under the condition of small construction workload.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the water flow enters a sedimentation area after passing through a first dam wall, overflows from the upper end surface of a second dam wall after being settled in the sedimentation area and enters a planting area, the aquatic plant module biologically degrades macromolecular organic matters contained in water in the planting area, and then the micromolecular organic matters are filtered through a filtering laminate;
2. in a stream and a shallow and narrow river channel, a sedimentation area and a planting area can be built by arranging a first dam wall, a second dam wall and a third dam wall in the river channel, the sedimentation function of the sedimentation tank part can be realized in the sedimentation area, the planting area can realize the function of degrading macromolecular organic matters in the landscape tank part, and compared with the condition that the sedimentation tank part and the landscape tank part are additionally built and then communicated through a slurry pump and a water suction pump, the landscape tank has smaller and simpler construction work amount while ensuring the filtering and purifying effects;
3. the water in the settling area overflows from the upper end of the second dam wall and enters the planting area, and then leaves the planting area from the water passing through groove at the lower end of the planting area, and the water storage groove is arranged so that the water required by the production of the aquatic plant modules is reserved at the bottom of the planting area all the time, and the aquatic plant modules are prevented from losing efficacy due to water shortage.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the third dam wall, the filtration deck and the water retention wall;
fig. 4 is a schematic structural view of the sink device.
In the figure, 1, a first dam wall; 2. a second dam wall; 21. an overflow tank; 3. a third dam wall; 31. a water passing through groove; 4. a settling zone; 41. a water retaining wall; 42. a large water flow buffer tank; 43. a small water flow settling tank; 5. a planting area; 51. a water storage wall; 52. mounting grooves; 53. a water storage tank; 6. an aquatic plant module; 7. filtering the laminate; 71. a plate body; 72. a placement groove; 73. a water inlet through hole; 74. a water outlet through hole; 75. a cover body; 8. an aeration device; 81. a main air pipe; 82. a bronchus; 83. an air pump; 84. a counterweight air head; 9. a collecting and settling device; 91. a collecting and settling box; 92. settling and filtering the plate; 93. a mounting frame; 931. a longitudinal bar; 932. a cross bar.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the landscape pool for restoring the water body polluted ecological environment disclosed by the invention comprises a first dam wall 1, a second dam wall 2 and a third dam wall 3 which are sequentially arranged along the water flow direction.
The first dam wall 1 is arranged in a rectangular plate shape. The length direction of the first dam wall 1 is arranged along the horizontal direction and is vertical to the water flow direction. The length of the first dam wall 1 is the same as the width of the river channel. The width direction of first dam wall 1 sets up along vertical direction, and the lower extreme of first dam wall 1 contradicts with the river course ground to separate the river course for first upper reaches and first low reaches. The width direction of the first dam wall 1 is the same as the water flow direction.
The second dam wall 2 is arranged in a rectangular plate shape. The length direction of the second dam wall 2 is arranged along the horizontal direction and is vertical to the water flow direction. The length of the second dam wall 2 is the same as the width of the river channel. The width direction of second dam wall 2 sets up along vertical direction, and the lower extreme of second dam wall 2 is contradicted with the river course ground to divide first low reaches into second upper reaches and second low reaches once more. The width direction of the second dam wall 2 is the same as the water flow direction. The upper end surface of the second dam wall 2 is higher than the upper end surface of the first dam wall 1. Preferably, the width of the first dam wall 1 is less than or equal to half the width of the second dam wall 2.
The third dam wall 3 is arranged in a rectangular plate shape. The length direction of the third dam wall 3 is arranged along the horizontal direction and is vertical to the water flow direction. The length of the third dam wall 3 is the same as the width of the river channel. The width direction of the third dam wall 3 is arranged along the vertical direction, and the lower end of the third dam wall 3 is abutted against the river channel ground so as to divide the second downstream into a third upstream and a third downstream. The width direction of the third dam wall 3 is the same as the water flow direction. The upper end surface of the third dam wall 3 is lower than the upper end surface of the second dam wall 2.
A settling zone 4 is formed between the first dam wall 1 and the second dam wall 2. An implantation area 5 is formed between the second dam wall 2 and the third dam wall 3.
Further, the upper end surface of the second dam wall 2 is provided with a plurality of overflow grooves 21. The overflow groove 21 penetrates the second dam wall 2 in the water flow direction. All the overflow grooves 21 are equally spaced apart in the longitudinal direction on the upper end surface of the second dam wall 2.
Both ends of the second dam wall 2 are provided with water retaining walls 41, and the water retaining walls 41 are positioned at one side of the second dam wall 2 close to the first dam wall 1. The upper end surface of the water retaining wall 41 is flush with the upper end surface of the second dam wall 2.
The dam 41 is surrounded by a large flow buffer groove 42. A small water flow settling tank 43 is formed between the two large water flow buffer tanks 42.
When the water flow is small, the water flow is settled only in the small water flow settling tank 43. When the water flow is large, the water part in the settling area 4 overflows from the second dam wall 2 and enters the planting area 5, the other part overflows into the large water flow buffer groove 42, and overflows from the upper end surface of the second dam wall 2 and enters the planting area 5 after the large water flow buffer groove 42 settles.
Referring to fig. 2 and 4, a settling device 9 for collecting settled silt is disposed in parallel in the small flow settling tank 43. Specifically, the collecting and settling device 9 includes a mounting frame 93 detachably disposed on the second dam wall 2, a plurality of settling filter plates 92 abutting against the mounting frame 93, and a plurality of collecting and settling boxes 91 disposed below the settling filter plates 92.
The mounting bracket 93 includes two cross bars 932 and at least two longitudinal bars 931 fixedly connected together. The two ends of the cross rod 932 are respectively and fixedly connected to the two longitudinal rods 931 so that the mounting frame 93 is in a single ladder shape. The longitudinal cross-section of the mounting bracket 93 at the cross-bar 932 is shaped as Jiong. Two longitudinal bars 931 are respectively placed on the two retaining walls 41.
The heavy box 91 of collection is the setting of rectangle box body, and the heavy box 91 of collection opening towards the top. The length direction of the collecting and settling box 91 is the same as the length direction of the second dam wall 2, and the width direction of the collecting and settling box 91 is the same as the water flow direction. The collecting and settling box 91 is laid flat at the bottom of the small water flow settling tank 43 so that the bottom of the small water flow settling tank 43 covers the collecting and settling box 91.
The number of the settling plates 92 is the same as the number of the sinker boxes 91, and one settling plate 92 is provided in each sinker box 91. The settling filter plates 92 are rectangular plate-shaped to be vertically disposed. The length direction of the sedimentation filter plates 92 is arranged along the vertical direction, the lower ends of the sedimentation filter plates 92 are fixedly connected with one side of the sedimentation collection box 91 close to the second dam wall 2, and the upper ends of the sedimentation filter plates 92 are abutted against one side of the cross rods 932 far away from the second dam wall 2. The width direction of the settling plate 92 is the same as the length direction of the catch basin 91. The thickness direction of the settling filter plate 92 is the same as the water flow direction.
Further, the sedimentation filter plate 92 is provided with a plurality of sand filtering through holes along the thickness direction. When rivers were through subsiding filter plate 92, silt in the rivers was detained on subsiding filter plate 92, then fell into the collection and subsides box 91, and water is through straining the husky through-hole in order to remove to planting district 5, subsides filter plate 92 through mentioning and can take out the collection and subside box 91 to be convenient for subside the clearance of 4 silt in district.
Referring to fig. 1 and 3, a water storage wall 51 is provided at a side of the third dam wall 3 adjacent to the second dam wall 2. The water storage wall 51 has a rectangular plate shape to be disposed in a vertical direction. The length direction of the water storage wall 51 is the same as the length direction of the third dam wall 3, the width direction of the water storage wall 51 is arranged along the vertical direction, and the thickness direction of the water storage wall 51 is the same as the water flow direction, so that the water storage wall 51 is parallel to the third dam wall 3. The upper end surface of the water storage wall 51 is lower than the upper end surface of the third dam wall 3. Preferably, the width of the reservoir wall 51 is less than or equal to half the width of the third dam wall 3.
A water storage groove 53 is formed between the water storage wall 51 and the second dam wall 2, and a mounting groove 52 for embedding the filtering layer plate 7 is formed between the water storage wall 51 and the third dam wall 3.
Further, an aquatic plant module 6 is arranged in the water storage tank 53. The aquatic plant module 6 floats the aquatic plant that the frame was planted in floating the frame. The roots of the aquatic plants pass through the floating frame to extend into the water below the floating frame.
An aeration device 8 is erected in the water storage tank 53. Specifically, the aeration device 8 includes a main air pipe 81 disposed on the second dam wall 2, a plurality of branch air pipes 82 having one ends connected to the main air pipe 81, and an air pump 83 for supplying air to the main air pipe 81, and the other ends of the branch air pipes 82 extend into the water in the reservoir 53. The air pump 83 is arranged outside the river channel. The air pump 83 is activated to aerate the water in the reservoir 53 through the main air pipe 81 and the branch air pipe 82 to increase the dissolved oxygen amount in the water. Preferably, a counterweight air head 84 is fixedly arranged at the lower end of the branch air pipe 82 extending into the water storage tank 53. The counterweight gas head 84 enables the lower end of the branch gas pipe 82 to be always vertically positioned in the water, and avoids the gas of the branch gas pipe 82 from separating from the water storage tank 53 under the buoyancy effect of the water.
Further, the lower end of the third dam wall 3 is provided with a water passing through groove 31 in a penetrating manner along the thickness direction, and the water passing through groove 31 is communicated with the mounting groove 52.
At least one filter layer plate 7 is detachably inserted into the mounting groove 52. The upper end surface of the filtering layer plate 7 is slightly higher than the upper end surface of the third dam wall 3. The filter laminate 7 has a rectangular plate shape to be disposed in a vertical direction. Preferably, the length direction of the filtering layer plate 7 is the same as the length direction of the third dam wall 3, and the length of the filtering layer plate 7 is the same as the length of the third dam wall 3.
Specifically, the filter layer plate 7 includes a plate body 71, a placement groove 72 is opened in an upper end surface of the plate body 71, and the placement groove 72 is opened only upward. The opening of the placement groove 72 is detachably provided with a lid body 75. One surface of the plate body 71 close to the second dam wall 2 is provided with a plurality of water inlet through holes 73 communicated with the placing groove 72. A plurality of water outlet through holes 74 communicated with the placing grooves 72 are formed in one surface of the plate body 71 close to the third dam wall 3. The water passing through groove 31 is communicated with the water outlet through hole 74.
The placement groove 72 is filled with a filter medium. The filtering medium is one of gelatin granules and activated carbon granules. The diameter of the inlet opening 73 is smaller than the particle diameter of the filter medium, and the diameter of the outlet opening 74 is smaller than the particle diameter of the filter medium.
Passes through the water inlet through-hole 73 to enter the placement groove 72, and the small molecular organic matters in the water are retained in the placement groove 72 by the filter medium and then discharged from the water outlet through-hole 74.
The using method of the embodiment comprises the following steps:
and S1, sequentially building a first dam wall 1, a second dam wall 2 and a third dam wall 3 along the water flow direction to form a settlement region 4 between the first dam wall 1 and the second dam wall 2, and simultaneously forming a planting region 5 between the second dam wall 2 and the third dam wall 3.
Two ends of the second dam wall 2 close to one side of the first dam wall 1 are respectively built with a water retaining wall 41 to form a large water flow buffer groove 42 so as to divide the settling area 4 into two large water flow buffer grooves 42 and a small water flow settling groove 43;
and a water storage wall 51 is built on one side of the third dam wall 3 close to the second dam wall 2, so that a water storage groove 53 is formed between the second dam wall 2 and the water storage wall 51, and a mounting groove 52 is formed between the water storage wall 51 and the third dam wall 3.
S2, installing a sedimentation collecting device 9 at one side of the second dam wall 2 close to the first dam wall 1, paving the bottom of the small water flow sedimentation tank 43 with the sedimentation collecting box 91, and erecting a mounting frame 93 on the two water retaining walls 41 to enable the sedimentation filter plates 92 to be abutted against one side of the cross rod 932 far away from the second dam wall 2 so as to primarily settle the silt in the water flow.
S3, put into aquatic plant module 6 in catch basin 53 to installation aeration equipment 8 on second dam wall 2, the lower extreme of bronchus 82 stretches into the aquatic of catch basin 53, and air pump 83 starts to ventilate main air pipe 81, and gas gets into aquatic through the lower extreme export of bronchus 82, thereby improves the dissolved oxygen volume of aquatic in the catch basin 53 in order to guarantee the normal growth of aquatic plant, and aquatic plant degrades the macromolecular organic matter in the rivers.
S4, installing a filtering layer plate 7 in the installation groove 52, wherein the filtering layer plate 7 adsorbs micromolecule organic matters in the water flow to filter and purify the water flow, and then the small molecule organic matters flow out of the water passing through groove 31 of the third dam wall 3.
S5, when the water flow is too large in the rain season, part of the water flow in the small water flow settling tank 43 is directly left to enter the water storage tank 53 through the second dam wall 2, the other part of the water flow overflows into the large water flow buffer tank 42 through the upper end face of the water retaining wall 41, and overflows into the water storage tank 53 from the upper end face of the second dam wall 2 after settling in the large water flow buffer tank 42, so that the settling area of the settling area 4 is increased.
And S6, periodically taking out the collecting and settling box 91, cleaning the collecting and settling box 91, and putting the cleaned collecting and settling box 91 back to the original position, so that less sediment in the settling area 4 is accumulated.
And S7, replacing the filtering layer plate 7 periodically to ensure the adsorption capacity of the filtering layer plate 7 to the small molecular organic matters in the water.
The embodiments of the present invention are preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, wherein like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a to prosthetic view pond of water pollution ecological environment, its characterized in that includes first dam wall (1), second dam wall (2) and third dam wall (3) that set gradually along the rivers direction, the up end of second dam wall (2) is higher than the up end of third dam wall (3), first dam wall (1) with be formed with subsidence area (4) between second dam wall (2), second dam wall (2) with be formed with planting area (5) between third dam wall (3), be provided with aquatic plant module (6) in planting area (5), third dam wall (3) are close to one side detachably of second dam wall (2) is provided with at least one and filters dam wall (7), the up end of filtering plywood (7) is higher than the up end of third dam wall (3).
2. The landscape pool for restoring the ecological environment polluted by the water body according to claim 1, wherein a water storage wall (51) is arranged on one side of the third dam wall (3) close to the second dam wall (2), the upper end surface of the water storage wall (51) is lower than that of the third dam wall (3), and an installation groove (52) for embedding the filtering layer plate (7) is formed between the water storage wall (51) and the third dam wall (3).
3. The landscape pool for restoring the ecological environment polluted by the water body according to claim 2, wherein a water storage groove (53) is formed between the water storage wall (51) and the second dam wall (2), the aquatic plant module (6) is positioned in the water storage groove (53), a water passing through groove (31) is formed at the lower end of the third dam wall (3), and the water passing through groove (31) is communicated with the installation groove (52).
4. The landscape pool for restoring the ecological environment polluted by the water body according to the claim 3, wherein an aeration device (8) is erected in the planting area (5), the aeration device (8) comprises a main air pipe (81) arranged on the second dam wall (2), a plurality of branch air pipes (82) with one ends communicated with the main air pipe (81) and an air pump (83) used for supplying air to the main air pipe (81), and the other ends of the branch air pipes (82) extend into the water in the water storage tank (53).
5. The landscape pool for restoring the ecological environment polluted by the water body according to claim 1, wherein the filtering layer plate (7) comprises a plate body (71), a placing groove (72) is formed in the upper end face of the plate body (71), a plurality of water inlet through holes (73) communicated with the placing groove (72) are formed in one face, close to the second dam wall (2), of the plate body (71), a plurality of water outlet through holes (74) communicated with the placing groove (72) are formed in one face, close to the third dam wall (3), of the plate body (71), the filtering medium is filled in the placing groove (72), and a cover body (75) is detachably arranged at an opening of the placing groove (72).
6. The landscape pool for restoring the ecological environment polluted by the water body according to claim 1, wherein an overflow groove (21) is formed in the upper end face of the second dam wall (2), a water retaining wall (41) is arranged at each end of the second dam wall (2), the water retaining wall (41) divides the settling zone (4) into a large water flow buffer groove (42) and a small water flow buffer groove (43), the water retaining wall (41) is positioned on one side of the second dam wall (2) close to the first dam wall (1) so as to form the large water flow buffer groove (42) around one end of the second dam wall (2), and the upper end face of the water retaining wall (41) is flush with the upper end face of the second dam wall (2).
7. The landscape pool for restoring the ecological environment polluted by the water body according to the claim 1, wherein the settling zone (4) is tiled with a settling device (9) for collecting settled silt, and the settling device (9) comprises a settling box (91) placed at the bottom of the settling zone (4) and a settling filter plate (92) fixedly arranged on the settling box (91).
8. The landscape pool for restoring the ecological environment polluted by the water body according to claim 7, wherein the sedimentation device (9) further comprises a mounting frame (93) for detachably mounting the second dam wall (2), the mounting frame (93) is positioned above the sedimentation zone (4), and one side of the sedimentation filter plate (92) close to the second dam wall (2) is abutted against the mounting frame (93).
9. A use method of a landscape pool for restoring water body polluted ecological environment is characterized by comprising the following steps:
s1, sequentially building a first dam wall (1), a second dam wall (2) and a third dam wall (3) along the water flow direction, building water retaining walls (41) at two ends of one side, close to the first dam wall (1), of the second dam wall (2) to form a large water flow buffer groove (42), and building a water storage wall (51) at one side, close to the second dam wall (2), of the third dam wall (3) to form a water storage groove (53) between the second dam wall (2) and the water storage wall (51);
s2, installing a sediment collection device (9) on one side, close to the first dam wall (1), of the second dam wall (2), wherein the sediment collection device (9) is located between the two large water flow buffer tanks (42) to carry out primary sedimentation on silt in water flow;
s3, putting the aquatic plant module (6) in the water storage tank (53), installing an aeration device (8) on the second dam wall (2), and degrading macromolecular organic matters in water flow in the planting area (5);
s4, installing a filtering layer plate (7) in the installation groove (52), adsorbing small molecular organic matters in the water flow by the filtering layer plate (7) to filter and purify the water flow, and then flowing out of the water passing through groove (31) of the third dam wall (3);
s5, when the water flows too much, the water flow in the settling zone (4) overflows into the large water flow buffer tank (42) to increase the settling area of the settling zone (4);
s6, regularly taking out the sedimentation box (91), cleaning the sedimentation box (91), and placing the cleaned sedimentation box (91) back to the original position to reduce the sediment accumulation of the sedimentation area (4);
and S7, replacing the filtering layer plate (7) periodically to ensure the adsorption capacity of the filtering layer plate (7) to the small molecular organic matters in the water.
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