CN215365326U - Micro-ecological filter bed device for treating domestic sewage - Google Patents
Micro-ecological filter bed device for treating domestic sewage Download PDFInfo
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- CN215365326U CN215365326U CN202120132584.3U CN202120132584U CN215365326U CN 215365326 U CN215365326 U CN 215365326U CN 202120132584 U CN202120132584 U CN 202120132584U CN 215365326 U CN215365326 U CN 215365326U
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Abstract
The application relates to a little ecological filter bed device of processing domestic sewage includes: the accommodating pool is provided with a bottom and an inner peripheral wall arranged around the bottom; the water inlet of the water inlet pipeline is positioned outside the accommodating pool, a plurality of water inlet holes are formed in the outer peripheral wall of the water inlet pipeline, and the plurality of water inlet holes are positioned in the accommodating pool; the matrix filler layer is positioned below the water inlet pipeline and decomposes and absorbs pollutants in the domestic sewage; the drainage pipeline is positioned at the bottom, a drainage port of the drainage pipeline is positioned outside the accommodating pool, a plurality of drainage holes are formed in the outer wall of the drainage pipeline, and the drainage holes are positioned in the accommodating pool; the water level control pipeline is provided with a connecting port, and the connecting port is connected with a water outlet of the drainage pipeline; can solve the problems of poor treatment effect and short service life caused by the existing ecological filter bed water treatment technology.
Description
Technical Field
The application relates to the technical field of environment-friendly water treatment, in particular to a micro-ecological filter bed device for treating domestic sewage.
Background
At present, with the improvement of living standard and the development of society, the progress of science and technology brings inevitable sewage and pollution. The existing ecological filter bed water treatment technology has the disadvantages that the selection of matrix fillers is rough, the matrix layering and the particle size, dust content and the like are not fine enough, and the following problems are directly caused: (1) the treatment effect is poor, and because the distribution density of microorganisms on the matrix layer is too low due to improper selection and proportioning of the matrix, the slightly high-concentration sewage can not be effectively treated; (2) the service life is short, the content of the dust in the matrix filler is high, even a thick soil layer is arranged, and under the washing of sewage, the dust continuously sinks to fill the whole lower-layer filler layer, so that the sewage cannot seep and the whole ecological filter bed is blocked.
Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a little ecological filter bed device of processing domestic sewage can solve the poor and short problem of life of treatment effect that current ecological filter bed water treatment technique leads to. The application provides the following technical scheme:
provided is a micro-ecological filter bed device for treating domestic sewage, comprising:
the accommodating tank is provided with a bottom and an inner peripheral wall arranged around the bottom;
the water inlet of the water inlet pipeline is positioned outside the accommodating pool, a plurality of water inlet holes are formed in the outer peripheral wall of the water inlet pipeline, the plurality of water inlet holes are positioned in the accommodating pool, and the domestic sewage enters the accommodating pool from the plurality of water inlet holes after entering the water inlet pipeline from the water inlet;
the substrate filler layer is positioned below the water inlet pipeline and decomposes and absorbs pollutants in the domestic sewage;
the drainage pipeline is positioned at the bottom, a drainage port of the drainage pipeline is positioned outside the accommodating pool, a plurality of drainage holes are formed in the outer wall of the drainage pipeline, the drainage holes are positioned in the accommodating pool, and the domestic sewage separated by the matrix filler layer enters the drainage pipeline from the drainage holes and is drained from the drainage port;
the water level control pipeline is positioned outside the accommodating pool and is provided with a connecting port, the connecting port is connected with the water outlet, and the domestic sewage discharged through the water outlet flows into the water level control pipeline.
Optionally, the matrix filler layer sequentially comprises from bottom to top: the gravel-glass light stone composite material comprises a first gravel layer, a gravel-glass light stone mixing layer, a coarse sand layer, a glass light stone layer and a second gravel layer.
Optionally, the number of the drain holes is four, the four drain holes are arranged in four different directions of the drainage pipeline, the diameter of each drain hole is 10mm, and the distance between every two adjacent drain holes is 25 cm.
Optionally, the water inlet holes are arranged in two rows, the two rows of water inlet holes are arranged oppositely, the diameter of each water inlet hole is 6mm, and the distance between every two adjacent water inlet holes is 40 cm.
Optionally, the number of the water inlet pipes is a plurality, the water inlet pipes are uniformly laid on the second gravel layer, and the distance between every two adjacent water inlet pipes is 1.5 m.
Optionally, the height of the water outlet of the water level control pipeline is greater than or equal to the height of the drainage pipeline and less than or equal to the height of the second gravel layer.
Optionally, a marker for marking the water level is further arranged on the outer wall of the water level control pipeline.
Optionally, the container further comprises an impermeable membrane, wherein the impermeable membrane is laid on the bottom and the inner peripheral wall.
The beneficial effect of this application lies in: the application provides a little ecological filter bed device of processing domestic sewage, including holding pond, drainage pipe, matrix packing layer, inlet channel etc. lay through the layering that becomes more meticulous of matrix packing layer for domestic sewage fully contacts with the microorganism on the matrix packing layer at the in-process of flowing through the matrix packing layer, thereby reaches the mesh that the pollutant was removed in the adsorption and decomposition.
Through the adjustment to the porosity and the compactness on inlet channel and the outlet conduit, can effectively control the time of domestic sewage in the micro-ecological filter bed device, both guarantee that micro-ecological filter bed device surface is not ponding, can control the water outlet time again, avoid domestic sewage to advance soon and go out, influence the water effect and lead to the sewage jam, improved micro-ecological filter bed device's life.
The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clear and clear, and to implement the technical solutions according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a micro-ecological filter bed device for treating domestic sewage according to an embodiment of the present application.
The device comprises a containing pool 1, an impermeable membrane 2, a drainage pipeline 3, a drainage port 31, a drainage port 32, a drainage hole 4, a matrix packing layer 41, a first gravel layer 42, a gravel and glass pumice mixed layer 43, a gravel, coarse sand and glass pumice mixed layer 44, a coarse sand layer 45, a glass pumice layer 46, a second gravel layer, a water inlet pipeline 5, a water inlet hole 51, a water inlet 52, a water plant layer 6, a water plant layer 61, a water plant layer 7, a water level control pipeline 71, and a water outlet 72.
Detailed Description
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Fig. 1 is a schematic structural view of a micro-ecological filter bed device for treating domestic sewage, which includes at least: the device comprises an accommodating pool 1, wherein the accommodating pool 1 is provided with a bottom and an inner peripheral wall arranged around the bottom; the anti-seepage film 2 is paved on the bottom and the inner peripheral wall of the accommodating pool 1 and is used for ensuring that the domestic sewage does not leak out; the water inlet 52 of the water inlet pipe 5 is positioned outside the accommodating pool 1, a plurality of water inlet holes 51 are formed in the outer peripheral wall of the water inlet pipe 5, the plurality of water inlet holes 51 are positioned in the accommodating pool 1, and domestic sewage enters the accommodating pool 1 from the plurality of water inlet holes 51 after entering the water inlet pipe 5 from the water inlet 52; matrix packing layer 4, matrix packing layer 4 are located inlet channel 5 below, and the pollutant in the domestic sewage that inlet channel 5 got into holding pond 1 is followed in the decomposition absorption of matrix packing layer 4, and up includes in proper order down from matrix packing layer 4: the first gravel layer 41, the gravel and glass light stone mixing layer 42, the gravel, coarse sand and glass light stone mixing layer 43, the coarse sand layer 44, the glass light stone layer 45, the second gravel layer 46 and the matrix packing layer 4 are used for separating particles and water in domestic sewage and decomposing pollutants in the domestic sewage, so that the sewage purification effect is achieved; the drainage pipeline 3 is positioned at the bottom of the accommodating pool 1, a water outlet 31 of the drainage pipeline 3 is positioned outside the accommodating pool 1, a plurality of drainage holes 32 are formed in the outer wall of the drainage pipeline 3, the drainage holes 32 are positioned in the accommodating pool 1, and the domestic sewage separated by the matrix packing layer 4 enters the drainage pipeline 3 from the drainage holes 32 and is discharged from the water outlet 31; the aquatic plant layer 6, the aquatic plant layer 6 is positioned above the second gravel layer 46 and is used for decomposing and absorbing pollutants in the domestic sewage; the water level control pipeline 7 is positioned outside the accommodating pool 1, the water level control pipeline 7 is provided with a connecting port 71, the connecting port 71 is connected with the water outlet 31 of the water drainage pipeline 3, and the domestic sewage discharged through the water outlet 31 flows into the water level control pipeline 7 and is used for controlling the water level in the micro-ecological filter bed device, so that the domestic sewage is ensured to stay in the micro-ecological filter bed device for a long enough time, and the substrate packing layer 4 has sufficient time to decompose pollutants in the sewage.
In order to better ensure that the domestic sewage stays in the micro-ecological filter bed device for a long enough time to enable the substrate filler layer 4 to have enough time to decompose pollutants in the sewage, the height of the water outlet 72 of the water level control pipeline 7 is greater than or equal to the height of the water drainage pipeline 3 and less than or equal to the height of the second gravel layer 46. The outer wall of the water level control pipeline 7 is also provided with a marker (not shown) for marking the water level, and the water level in the accommodating pool 1 can be checked in real time through the design.
In the present embodiment, the permeation prevention film 2 is welded on the bottom and the inner circumferential wall of the housing tank 1 and the thickness of the permeation prevention film 2 is set to 1.5 mm. Of course, in other embodiments, the connection mode between the impermeable membrane 2 and the receiving tank 1 may be other, and the application does not limit this.
In one embodiment, the pipe diameter of the drain pipe 3 is 100mm, a plurality of drain holes 32 are arranged in four rows, and the four drain holes 32 are opened in four different directions of the drain pipe 3. The diameter of the drain hole 32 is 10mm, and the distance between adjacent drain holes 32 is 25cm, so that the water inlet speed of domestic sewage can be effectively controlled, and the surface of the micro-ecological filter bed device is ensured not to accumulate water.
In one embodiment, the pipe diameter of the water inlet pipe 5 is set to 40mm, the number of the water inlet pipes 5 is set to several, several water inlet pipes 5 are uniformly laid on the second gravel layer 46, and the distance between several adjacent water inlet pipes 5 is 1.5 m. The water inlet holes 51 with a plurality of numbers are arranged in two rows, the two rows of water inlet holes 51 are oppositely arranged, the diameter of each water inlet hole 51 is 6mm, and the distance between every two adjacent water inlet holes 51 is 40 cm.
The aquatic plant layer 6 comprises a plurality of aquatic plants 61, wherein in one embodiment, the aquatic plants 61 are arranged in a plurality of rows, the row spacing of the aquatic plants 61 is 30-40cm, and the plant spacing is 35-45 cm.
In one embodiment, the first gravel layer 41 has a thickness of 25cm and a gravel particle size of 40-50 mm. The thickness of the gravel and glass pumice mixing layer 42 is 15cm, the size of gravel particles is 15-25mm, the size of glass pumice particles is 20-30mm, and the mixing proportion of the gravel and the glass pumice is that the gravel accounts for 30% and the glass pumice accounts for 70%. The thickness of the gravel, coarse sand and glass pumice mixing layer 43 is 25cm, the particle size of the gravel is 10-20mm, the particle size of the coarse sand is 3-5mm, the particle size of the glass pumice is 5-8mm, the mixing proportion of the gravel, the coarse sand and the glass pumice is that the gravel accounts for 30%, the coarse sand accounts for 20% and the glass pumice accounts for 50%. The thickness of the coarse sand layer 44 is 12cm, and the size of coarse sand particles is 3-5 mm. The thickness of the glass pumice layer 45 is 12cm, and the particle size of the glass pumice is 5-8 mm. The thickness of the second gravel layer 46 is 12cm and the gravel particle size is 10 to 20 mm.
The matrix filler layer 4 further includes a biofilm (not shown) formed by microorganisms, and the biofilm is attached to the matrix filler of the matrix filler layer and used for decomposing pollutants in the sewage to achieve the effect of purifying the sewage. Wherein, the microorganism includes aerobic microorganism and anaerobic microorganism, and several layers above the matrix packing layer 4 are attached to aerobic microorganism, and several layers below the matrix packing layer 4 are attached to anaerobic microorganism. In one embodiment, aerobic microorganisms are attached to the matrix packing layer 4 above the mixed layer 43 of gravel, coarse sand and glass pumice, and anaerobic microorganisms are attached to the mixed layer 43 of gravel, coarse sand and glass pumice and below the matrix packing layer 4. By the design, the micromolecule pollutants which are easy to decompose in the pollutants can be decomposed by the aerobic microorganisms, and the remaining macromolecular pollutants which are not easy to decompose can be continuously decomposed by the anaerobic microorganisms, so that the sewage purification effect is achieved.
The working process of the micro-ecological filter bed device for treating the domestic sewage comprises the following steps: first, preparation work is performed. Firstly, carrying out infiltration inspection, namely, after the micro-ecological filter bed device is installed, discharging water into the device for 15cm, and carrying out infiltration inspection to determine that the impermeable membrane 2 does not seep water; then, laying matrix filler, and screening and cleaning the matrix filler according to the requirement of particle size; then, the process of rooting and survival of the aquatic plants 61 is carried out, the pond is filled with water for about 10 days, and the survival of the plants is ensured; and finally, carrying out a sewage debugging period, evenly feeding water every day, filling the water after 10 days according to the capacity of the micro-ecological filter bed device, and then quantitatively discharging the water every day, wherein the water is discharged right after about 10 days. And step two, normal water feeding operation is carried out. Domestic sewage enters the micro-ecological filter bed device from the water inlet pipeline 5, large-particle pollutants are retained by the second gravel layer 46 and the glass light stone layer 45, small-particle pollutants are retained by the coarse sand layer 44, the pollutants can be decomposed and absorbed by the aquatic plants 61 and the aerobic microorganisms, and the pollutants decomposed comparatively are decomposed and absorbed by the anaerobic microorganisms in the matrix filler layer, so that the sewage purification effect is achieved.
To sum up, this application provides a little ecological filter bed device of processing domestic sewage, including holding pond, drainage pipe, matrix packing layer, inlet channel etc. lay through the layering that becomes more meticulous of matrix packing layer for domestic sewage fully contacts with the microorganism on the matrix packing layer at the in-process of flowing through the matrix packing layer, thereby reaches the mesh that the adsorption decomposition removed pollutants.
Through the adjustment to the porosity and the compactness on inlet channel and the outlet conduit, can effectively control the time of domestic sewage in the micro-ecological filter bed device, both guarantee that micro-ecological filter bed device surface is not ponding, can control the water outlet time again, avoid domestic sewage to advance soon and go out, influence the water effect and lead to the sewage jam, improved micro-ecological filter bed device's life.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A micro-ecological filter bed device for treating domestic sewage is characterized by comprising:
the accommodating tank is provided with a bottom and an inner peripheral wall arranged around the bottom;
the water inlet of the water inlet pipeline is positioned outside the accommodating pool, a plurality of water inlet holes are formed in the outer peripheral wall of the water inlet pipeline, the plurality of water inlet holes are positioned in the accommodating pool, and after the domestic sewage enters the water inlet pipeline from the water inlet, the domestic sewage enters the accommodating pool from the plurality of water inlet holes;
the substrate filler layer is positioned below the water inlet pipeline and decomposes and absorbs pollutants in the domestic sewage;
the drainage pipeline is positioned at the bottom, a drainage port of the drainage pipeline is positioned outside the accommodating pool, a plurality of drainage holes are formed in the outer wall of the drainage pipeline, the drainage holes are positioned in the accommodating pool, and the domestic sewage separated by the matrix filler layer enters the drainage pipeline from the drainage holes and is drained from the drainage port;
the water level control pipeline is positioned outside the accommodating pool and is provided with a connecting port, the connecting port is connected with the water outlet, and the domestic sewage discharged through the water outlet flows into the water level control pipeline.
2. The micro-ecological filter bed device for treating domestic sewage of claim 1, wherein a plurality of the drain holes are arranged in four rows, the four rows of the drain holes are arranged in four different directions of the drain pipeline, the diameter of each drain hole is 10mm, and the distance between every two adjacent drain holes is 25 cm.
3. The micro-ecological filter bed device for treating domestic sewage of claim 1, wherein a plurality of the water inlet holes are arranged in two rows, the two rows of the water inlet holes are oppositely arranged, the diameter of the water inlet hole is 6mm, and the distance between the adjacent water inlet holes is 40 cm.
4. The micro-ecological filter bed device for treating domestic sewage of claim 3, wherein the number of the water inlet pipes is several, the several water inlet pipes are uniformly laid on the matrix packing layer, and the distance between the several adjacent water inlet pipes is 1.5 m.
5. The micro-ecological filter bed device for treating domestic sewage of claim 1, wherein the height of the water outlet of the water level control pipeline is greater than or equal to the height of the drainage pipeline and less than or equal to the height of the matrix filler layer.
6. The micro-ecological filter bed apparatus for treating domestic sewage of claim 1, wherein a marker for marking a water level is further provided on an outer wall of the water level control pipe.
7. The micro-ecological filter bed apparatus for treating domestic sewage of claim 1, further comprising an impermeable membrane, said impermeable membrane being laid on said bottom and said inner circumferential wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120132584.3U CN215365326U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating domestic sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120132584.3U CN215365326U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating domestic sewage |
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| CN215365326U true CN215365326U (en) | 2021-12-31 |
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| CN202120132584.3U Active CN215365326U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating domestic sewage |
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