CN212924571U - Multistage ecological landscape processing apparatus of domestic sewage - Google Patents
Multistage ecological landscape processing apparatus of domestic sewage Download PDFInfo
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- CN212924571U CN212924571U CN202021308885.9U CN202021308885U CN212924571U CN 212924571 U CN212924571 U CN 212924571U CN 202021308885 U CN202021308885 U CN 202021308885U CN 212924571 U CN212924571 U CN 212924571U
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Abstract
The utility model provides a multistage ecological landscape processing apparatus of domestic sewage, including upper end processing pond, middle-end processing pond and lower extreme processing pond respectively in proper order from top to bottom, three processing pond center department is equipped with the cylindrical support pole, and this cylindrical support pole runs through three processing pond and its inside cavity is equipped with the water pipe, and the water pipe bottom is equipped with the water inlet, and the top is equipped with the first delivery port of nozzle formula, all is equipped with the ring type board in the three processing pond, and the top of ring type board all is higher than the top of processing pond, and the ring type board lower extreme is hollow out construction, it has matrix to fill in the upper end processing pond and the middle-end processing pond, is equipped with the planting groove in the lower extreme processing pond, and the planting inslot is filled with. The utility model discloses a big problem of area can be solved to the mode that the drop distributes, increases the pleasing to the eye degree of facility, multiplicable water oxygen content simultaneously. Meanwhile, the arrangement of the annular plate is adopted, so that the hydraulic retention time is ensured, and the water quality is effectively purified.
Description
Technical Field
The utility model belongs to the domestic sewage treatment field relates to the scope and is rural domestic sewage and urban area domestic sewage ecological treatment, concretely relates to multistage ecological view processing apparatus of domestic sewage.
Background
The biochemical treatment technologies commonly adopted by domestic sewage at present comprise an MBR process, an A/O process, an SBR process, an oxidation ditch process, an aeration biological filter and the like, and the operation cost is higher and the landscape effect is poorer due to higher power consumption. For villages with few population, the operation cost is high by adopting the biochemical treatment process, especially rural domestic sewage is wide in distribution and not centralized, sewage cannot be collected and treated in a centralized mode of urban wastewater treatment, and the rural area is weak in technical and economic foundation and lack of sufficient funds and professional technical management personnel. The artificial wetland treatment process which is simple in maintenance and process flow is mostly selected for domestic sewage treatment, but if the process is not properly selected, the artificial wetland substrate is easily blocked, the working performance of the artificial wetland in sewage treatment is affected, the application value of a wetland system is reduced, a sun-shining project is formed, and a large amount of capital waste is caused. Most patents (such as CN 106542635A, CN 106554134A, CN 209161761U and the like) focus on the combination of the artificial wetland reaction units and the selection and combination of substrates, the optimization and construction of elements such as plants, animals and the like in a wetland ecosystem are less, the species of the artificial wetland system is single, the landscape effect is poor, and the integration degree with villages or communities is insufficient. Meanwhile, the artificial wetland has the problem of large occupied area (such as patent CN 207918524U, CN109354206A), and the area of the artificial wetland is required to be properly enlarged to meet the operation requirement of the parallel wetland in order to optimize the treatment effect of domestic sewage, but the land tension degree is increased, and the contradiction of land application is easily aroused.
In view of the above, it is necessary to develop an artificial wetland treatment facility which can save cost, facilitate management and maintenance, reduce floor space, increase biological diversity and optimize landscape effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multistage ecological landscape processing apparatus of domestic sewage. The problem of high operation cost can be solved by utilizing the multi-stage ecological landscape wetland, the problem of large occupied area can be solved by adopting a fall distribution mode for different treatment units, the attractiveness of facilities is improved, and meanwhile, the oxygen content of a water body can be increased. Each processing unit can form a plant and animal symbiotic ecosystem, so that the diversity of the ecosystem is increased, the attractiveness of facilities is improved while the water quality is effectively purified, and the ecological water purification system can be integrated into the lives of villages or residential quarter residents.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
the utility model provides a multistage ecological landscape processing apparatus of domestic sewage, handles pond and lower extreme processing pond including upper end processing pond, middle-end that from top to bottom differ in proper order, three processing pond is circular and the diameter increases from top to bottom in proper order, and the center department that pond, middle-end processing pond and lower extreme processing pond were handled to the upper end is equipped with the cylindrical support pole, and this cylindrical support pole runs through three processing pond and its inside cavity and is equipped with the water pipe, and the water pipe bottom is equipped with the water inlet, and the top is equipped with the first delivery port of nozzle formula, all be equipped with the ring type board in pond, middle-end processing pond and the lower extreme processing pond are handled to the upper end, and the top of ring type board all is higher than the top of handling the pond, and the ring type board lower extreme is hollow out construction, the pond is handled to the upper end and the middle-end is equipped.
Preferably, the top end edges of the upper end treatment tank and the middle end treatment tank are provided with eaves inclining downwards by 15-30 degrees, and the eaves are 5-10cm long.
Preferably, the annular plate in the middle-end treatment tank is arranged outside the eave of the upper-end treatment tank, and the annular plate in the lower-end treatment tank is arranged outside the eave of the middle-end treatment tank.
Further preferably, the ring-shaped plate is 5-10cm higher than the treatment tank.
Preferably, the planting grooves comprise emergent aquatic plant planting grooves and submerged plant planting grooves, the emergent aquatic plant planting grooves are annular, and the submerged plant planting grooves are in a pentagram shape.
The utility model has the advantages that: the device can solve the problem of high operation cost by utilizing the multi-stage ecological landscape wetland, and the problem of large occupied area can be solved by adopting a fall distribution mode for different treatment units, so that the attractiveness of the facility is increased, and the oxygen content of the water body can be increased. Meanwhile, the arrangement of the annular plate is adopted, so that the hydraulic retention time is ensured, and the water quality is effectively purified.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the lower end treatment tank of the present invention.
Illustration of the drawings: 1-a first water outlet; 2-an upper end treatment tank; 3-a middle-end treatment tank; 4-lower end treatment tank; 5, an annular plate; 6-a second water outlet; 7-emergent aquatic plant planting grooves; 8-a submerged plant planting tank.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a multistage ecological landscape processing apparatus of domestic sewage, including upper end treatment tank 2, middle-end treatment tank 3 and lower extreme treatment tank 4 respectively in proper order from top to bottom, three treatment tank is circular and the diameter increases from top to bottom in proper order, and upper end treatment tank 2, the center department that middle-end treatment tank 3 and lower extreme treatment tank 4 were equipped with the cylindrical support pole, and this cylindrical support pole runs through three treatment tank and its inside cavity and is equipped with the water pipe, and the water pipe bottom is equipped with the water inlet, and the top is equipped with the first delivery port 1 of nozzle formula. The sewage after primary treatment flows from the bottom to the upper end in a controlled way through a pump and is sprayed out from the top end through a nozzle. The sprayed water body flows downwards under the action of gravity and enters the upper end treatment pool, in order to guarantee hydraulic retention time, the inner side of the upper end treatment pool is provided with the ring-shaped plate 5, the water body sprayed by the spray nozzles falls into the inner side of the ring-shaped plate, the ring-shaped plate 5 is 5-10cm higher than the upper end treatment pool, the lower end of the ring-shaped plate 5 is in a hollow design, and the water body in the inner side of the ring-shaped plate 5 flows out of the ring-shaped plate through the lower end after being treated. The top end edges of the upper end treatment tank 2 and the middle end treatment tank 3 are respectively provided with an eave inclining downwards by 15-30 degrees, the length of the eave is 5-10cm, and the effluent forms a waterfall from top to bottom, so that the oxygen content of the water body can be increased.
The upper end treatment pool 2 is overflowed and flows downwards along the eave under the action of gravity to form a ring-shaped waterfall, the annular waterfall enters the middle end treatment pool 3, in order to ensure the hydraulic retention time, a ring-shaped plate 5 is arranged on the inner side of the middle end treatment pool 3, the ring-shaped plate 5 in the middle end treatment pool 3 is arranged on the outer side of the eave of the upper end treatment pool 2, so that water flowing into the middle end treatment pool 3 through the upper end treatment pool 2 falls into the inner side of the ring-shaped plate 5, the ring-shaped plate 5 is 5-10cm higher than the middle end treatment pool, and the lower end of.
When the middle treatment pool 3 overflows, the water flows downwards along the eave under the action of gravity to form a ring-shaped waterfall, the water enters the lower treatment pool, in order to ensure the hydraulic retention time, a ring-shaped plate 5 is arranged on the inner side of the lower treatment pool 4, the ring-shaped plate 5 in the lower treatment pool 4 is arranged on the outer side of the eave of the middle treatment pool 3, and the water passes through the eaveInThe water body flowing into the lower end treatment tank 4 from the end treatment tank 3 falls into the inner side of the annular plate 5, the annular plate 5 is 5-10cm higher than the water outlet of the lower end treatment tank 4, and the lower end of the annular plate 5 is designed to be hollow. And finally, after the water is treated by the lower end treatment tank 4, the purified water is discharged from a second water outlet 6 arranged on the lower end treatment tank 4.
The inner diameter of the cylindrical support rod is designed to be 5-10cm, and the outer diameter is designed to be 8-15 cm.
The upper end treatment tank 2 and the middle end treatment tank 3 are filled with matrix, the lower end treatment tank 4 is internally provided with a planting groove, and the planting groove is filled with matrix.
The filling height of the substrate in the upper end treatment pool 2 is 20-30cm, the height of the pool wall is 50-60cm, the setting residence time is 1-2h, and the diameter of the treatment pool is determined according to daily treatment capacity, residence time, the height of the pool wall, the filling height of the substrate and the water containing capacity. 1-2 emergent aquatic plants with high COD (chemical oxygen demand) and nitrogen and phosphorus removal efficiency and ornamental value are selected as plants, and proper planting density is selected according to plant category difference during planting.
The middle-end treatment tank 3 is provided with a tank wall height of 50-60cm, a matrix filling height of 15-20cm, a retention time of 2-3h, and the diameter of the treatment tank is determined according to daily treatment capacity, retention time, tank wall height, matrix filling height and water containing amount. Planting submerged plant with pollutant absorbing effect, such as herba Sonchi Oleracei and Potamogeton crispus. And can be used for properly culturing a small amount of aquatic animals such as shrimps, snails and the like.
The lower end treatment tank 4 is arranged at a height of about 100-110cm, and planting grooves are arranged in the lower end treatment tank 4 and comprise emergent aquatic plant planting grooves 7 and submerged plant planting grooves 8 for facilitating harvesting and improving the attractiveness of the lower end treatment tank. The lower end treatment tank is provided with emergent aquatic plant planting grooves along the inner side of the tank wall for planting ornamental emergent aquatic plants, the planting grooves are positioned 20-30cm below the horizon and 10-15cm in width, and the planting groove walls are 5-10cm higher than the horizon. The middle of the treatment tank can be designed into submerged plant planting grooves with different shapes according to requirements, the submerged plant planting grooves can be in a pentagram shape and are used for planting submerged plants, the planting grooves are located 5-15cm below the horizon and 5-20cm in width, and the planting grooves are filled with matrixes. The lower end treatment pool is set to stay for 7-9h, and the diameter of the treatment pool is determined according to daily treatment capacity, stay time and the height of a water outlet. The emergent aquatic plants with high removal efficiency of COD and nitrogen and phosphorus and ornamental value are selected from aquatic animals with ornamental value such as a small amount of goldfishes or aquatic animals with edible value such as silver carps (bighead carps) and snails.
A water outlet is arranged at the position of the lower end treatment tank, which is about 90-100cm away from the tank bottom.
Volume calculation formula of different processing units:
t＝24*V/Q1 (1)
volume V-m of water body capable of being accommodated in treatment tank3(ii) a The retention time is t-h; daily throughput Q1—m3/d；
Flow rate of a water outlet pipe: the flow rate is calculated from the throughput and the diameter of the pipe, derived from the flow rate 3600 tube area flow rate, and is calculated as follows:
v＝Q2/(π*D2 2*900) (2)
flow rate Q2—m3H; diameter D2-m; the flow velocity v-m/s; 3600 is the number of seconds converted in 1 hour.
Height design: the height from the bottom of the upper end treatment pool to the bottom of the middle end treatment pool is 100-120 cm; the height from the bottom of the middle-end treatment pool to the ground is 120-150 cm.
Configuration construction of plants: emergent aquatic plants can follow the ecological niche crossing principle, and preferably take into account red canna, yellow iris, cattail, yellow calamus, allium mongolicum and the like. The submerged plant can be selected from plants with strong pollution-resistant load, such as herba Swertiae Dilutae, black algae, and Potamogeton crispus L.
Application instance design
Outer diameter D of cylindrical support rod1Measured by 8cm, a built-in water pipe with a diameter D2Calculated according to the formula (2) and calculated by the meter of 50mm, the flow rate of the water nozzle is designed to be about 0.71m/s, the diameter of the treatment pool is determined according to the water quantity and the residence time, and the treated water quantity is 5m3The method comprises the following steps:
the pretreated water body is discharged through the water pipe in the cylindrical support rod, the inner diameter of the cylindrical support rod is slightly larger than the diameter D of the water pipe2。
The periphery of the water outlet of the upper end treatment pool is provided with an eave inclined downwards by 30 degrees, the eave is 5cm long, the actual height H is 50cm, the height of the annular plate is 55cm, and the filling depth H120cm, hydraulic retention time 1.5h, formula V { [ (pi D) according to formula (1) and volume calculation2/4)*(H-2h1/3)]-[(πD1 2/4)*H]Calculating to obtain the diameter D of the inner side of the treatment pool of 105 cm; selecting emergent aquatic plants with high COD and nitrogen and phosphorus removal efficiency and ornamental value, such as red canna, with planting density of 15-20 plants/m2。
The periphery of the water outlet of the middle-end treatment tank is provided with an eave inclined downwards by 30 degrees, the eave is 5cm long, the actual height H is measured by 50cm, the height of the annular plate is 55cm, and the filling depth H115cm, hydraulic retention time 2.5h, according to the formula (1) and the volume calculation formula V { [ (pi D)2/4)*(H-2h1/3)]-[(πD1 2/4)*H]Calculating to obtain the diameter D of the inner side of the treatment pool of 129 cm; it is contemplated that plants with high contamination resistance load, such as herba Swertiae Dilutae (40-60 plants/m)2) Hydrilla verticillata (10-15 buds/plexus, 9-12 plexus/m)2) And the like.
The periphery of the water outlet of the lower end treatment pool is provided with an eave inclined downwards by 30 degrees, the eave is 5cm long, the actual height H is calculated by 100cm, and the height H of the water outlet from the ground is290cm, ring plate height 95cm, hydraulic retention time 8h, according to formula (1) and volume calculation formula V ═ pi/4 (D-D)1)2*h2]The inside diameter D of the treatment cell was calculated to be 162 cm. The lower end treatment tank is provided with a second water outlet, and the second water outlet can be designed into different shapes according to customs and attractiveness. The submerged plant planting groove is designed into a pentagram shape, the planting groove is 10cm below the horizon, and the width is 10 cm; the emergent aquatic plant planting groove is 20cm below the horizon, 5cm above the horizon and 10cm in width. Emergent aquatic plants are planted in the lower treatment pool, and the plant combination of red canna and yellow calamus or red canna and yellow iris can be selected. The submerged plant can be selected from herba Picrasmae, curly pondweed, and hydrilla verticillata. The planting density of the plants can be adjusted according to the plant species and engineering requirements, and the planting density of emergent aquatic plants is preferably 9 plants/m225 strains/m2The planting density of the submerged plants is preferably 3 clusters/m 29 clumps/m2。
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A domestic sewage multi-stage ecological landscape treatment device is characterized by comprising an upper treatment tank, a middle treatment tank and a lower treatment tank which are sequentially arranged from top to bottom, wherein the three treatment tanks are circular and have diameters which are sequentially increased from top to bottom, cylindrical support rods are arranged at the centers of the upper treatment tank, the middle treatment tank and the lower treatment tank, the cylindrical support rod penetrates through the three treatment tanks, a water pipe is arranged in the cylindrical support rod in a hollow mode, a water inlet is formed in the bottom of the water pipe, a nozzle type first water outlet is formed in the top of the water pipe, the upper end treatment tank, the middle end treatment tank and the lower end treatment tank are all internally provided with ring-shaped plates, the tops of the ring-shaped plates are all higher than the top of the treatment tank, and the lower end of the annular plate is of a hollow structure, the upper end treatment pool and the middle end treatment pool are internally filled with matrix, the lower end treatment pool is internally provided with a planting groove, the planting groove is internally filled with matrix, and the lower end treatment pool is provided with a second water outlet.
2. The domestic sewage multistage ecological landscape treatment device of claim 1, wherein the top end edges of the upper end treatment tank and the middle end treatment tank are provided with eaves which are inclined downwards by 15-30 degrees, and the eaves are 5-10cm long.
3. The domestic sewage multistage ecological landscape treatment device of claim 2, wherein the annular plate in the middle treatment tank is arranged outside the eave of the upper treatment tank, and the annular plate in the lower treatment tank is arranged outside the eave of the middle treatment tank.
4. The domestic sewage multistage ecological landscape treatment device of claim 1, wherein the annular plate is 5-10cm higher than the treatment tank.
5. The multistage ecological landscape treating device for domestic sewage according to claim 1, wherein the planting troughs comprise emergent aquatic plant planting troughs and submerged plant planting troughs, the emergent aquatic plant planting troughs are annular, and the submerged plant planting troughs are in a pentagram shape.
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| CN202021308885.9U CN212924571U (en) | 2020-07-06 | 2020-07-06 | Multistage ecological landscape processing apparatus of domestic sewage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113292160A (en) * | 2021-05-31 | 2021-08-24 | 江西省华赣环境技术研发有限公司 | Ecological restoration device and method for treating rare earth tail water according to local conditions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113292160A (en) * | 2021-05-31 | 2021-08-24 | 江西省华赣环境技术研发有限公司 | Ecological restoration device and method for treating rare earth tail water according to local conditions |
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