CN214528598U - Micro-ecological filter bed device for treating sludge in domestic sewage - Google Patents
Micro-ecological filter bed device for treating sludge in domestic sewage Download PDFInfo
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- CN214528598U CN214528598U CN202120121532.6U CN202120121532U CN214528598U CN 214528598 U CN214528598 U CN 214528598U CN 202120121532 U CN202120121532 U CN 202120121532U CN 214528598 U CN214528598 U CN 214528598U
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Abstract
The application relates to a little ecological filter bed device of mud among the treatment domestic sewage, include: an accommodating pool; 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 filter layer is positioned below the water inlet pipeline and is used for decomposing and absorbing pollutants in the domestic sewage; the drainage pipeline is positioned at the bottom of the accommodating pool, 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 aquatic plant layer is positioned above the filtering layer and comprises a sludge layer for storing sludge and a plurality of aquatic plants planted on the sludge layer; can solve the problems of secondary pollution caused by using chemical agents and high difficulty and high cost of the implementation of a high-temperature anaerobic fermentation method in the prior sludge treatment technology.
Description
Technical Field
The application relates to the technical field of environment-friendly sludge treatment, in particular to a micro-ecological filter bed device for treating sludge in 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 sludge treatment technology in domestic sewage is mainly characterized in that a high-molecular coagulation agent is added into sludge to flocculate the sludge into small blocks, and then the small blocks are pressed to be dry by a sludge filter press and finally buried. Moreover, because the content of organic matters in the sludge is not high, the implementation difficulty of the high-temperature anaerobic fermentation method is high, the cost is high, and the method is not suitable.
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 mud in processing domestic sewage, can solve and use chemical agent to lead to secondary pollution and use the big, with high costs problem of the degree of difficulty of high temperature anaerobic fermentation method implementation among the current sludge treatment technique. The application provides the following technical scheme:
provided is a micro-ecological filter bed device for treating sludge in 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 filter 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 enters the drainage pipeline from the drainage holes and is drained from the drainage port;
the aquatic plant layer is located above the filter layer, the aquatic plant layer comprises a sludge layer for storing sludge and a plurality of aquatic plants planted on the sludge layer, and the aquatic plants decompose and absorb pollutants in the domestic sewage.
Optionally, the thickness of the sludge blanket is 10-15 cm.
Optionally, the number of inlet channels is a plurality of, and a plurality of quantity inlet channels evenly lay the filter layer top, and the interval between a plurality of quantity adjacent inlet channels is 1 m.
Optionally, the inlet conduit has a distance of 20cm in a vertical direction from the filter layer.
Optionally, a plurality of the aquatic plants are arranged in a plurality of rows, the row spacing of a plurality of adjacent rows of the aquatic plants is 50cm, and the row spacing of a plurality of adjacent aquatic plants is 30 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 10mm, and the distance between every two adjacent water inlet holes is 20 cm.
Optionally, a plurality of the drain holes are arranged in two rows, the two rows of the drain holes are arranged in two 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 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 mud in processing domestic sewage, including holding tank, drainage pipe, filter layer, inlet channel, aquatic plant layer etc. hold back through the mud of filter layer in to sewage for mud stops on the device surface, and the mud that stops on the device surface carries out the fertilizer processing as green plants after the natural drying, can solve among the prior art and use chemical agent to carry out secondary pollution that mud treatment leads to and use the degree of difficulty that high temperature anaerobic fermentation method implemented big, problem with high costs.
Through the adjustment to porosity and closely knit degree on inlet channel and the outlet conduit to guarantee the single treatment capacity of mud, avoid producing the problem that the stink influences the environment and solve device surface ponding because of mud is too much.
Thereby through the interval control plant density of control aquatic plant, be convenient for clear up when guaranteeing to carry out artifical clearance to mud.
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 diagram of a micro-ecological filter bed device for treating sludge in 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 hole 32, a filtering layer 4, a gravel layer 41, a gravel and glass pumice mixing layer 42, a coarse sand and glass pumice mixing layer 43, a coarse sand layer 44, a water inlet pipeline 5, a water inlet hole 51, a water inlet 52, a 6-aquatic plant layer 61, an aquatic plant 7, a water level control pipeline 71, a connecting port 72 and a water outlet.
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 diagram of a micro-ecological filter bed device for treating sludge in domestic sewage, which is provided by an embodiment of the present application and at least comprises: the device comprises an accommodating pool 1, wherein the accommodating pool 1 is provided with a bottom and an inner peripheral wall; 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; filter layer 4 is located inlet channel 5 below, and filter layer 4 decomposes the pollutant that absorbs in the domestic sewage that gets into holding pond 1 from inlet channel 5, and filter layer 4 is from up including in proper order down: the gravel layer 41, the gravel and glass pumice mixed layer 42, the coarse sand and glass pumice mixed layer 43, the coarse sand layer 44 and the filter 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 drainage port 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 filter layer 4 enters the drainage pipeline 3 from the drainage holes 32 and is drained from the drainage port 31; the aquatic plant layer 6 is positioned above the filtering layer 4, the aquatic plant layer 6 comprises a sludge layer (not shown) for storing sludge and a plurality of aquatic plants 61 planted on the sludge layer, the aquatic plants 61 are used for decomposing and absorbing pollutants in domestic sewage, and the thickness of the sludge layer is 10-15 cm; 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 domestic sewage discharged from 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 filter layer 4 has sufficient time to decompose pollutants in the sewage.
In this example, the thickness of the sludge blanket was 15 cm. Of course, in other embodiments, the thickness of the sludge layer may be other, and the application is not limited thereto.
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 filter 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 coarse sand layer 44. 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 order to ensure that the filtered sludge in the sewage has sufficient accommodation space, in one embodiment the inlet conduit 3 is at a distance of 20cm in the vertical direction from the coarse sand layer 44 of the filter layer 4.
In order to ensure that the sludge can be conveniently cleaned when being manually cleaned, in one embodiment, the aquatic plants 61 are arranged in a plurality of rows, the row spacing of the aquatic plants 61 in a plurality of adjacent rows is 50cm, and the plant spacing of the aquatic plants in a plurality of adjacent rows is 30 cm.
In one embodiment, the pipe diameter of the drain pipe 3 is 100mm, a plurality of drain holes 32 are arranged in two rows, and the two rows of drain holes 32 are opened in two 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 be 40mm, the number of the water inlet pipes 5 is set to be several, several water inlet pipes 5 are uniformly laid above the coarse sand layer 44, and the distance between several adjacent water inlet pipes 5 is 1 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 10mm, and the distance between every two adjacent water inlet holes 51 is 20 cm.
In one embodiment, the gravel layer 41 has a thickness of 20cm and a gravel particle size of 40-50 mm. The thickness of the gravel and glass pumice mixing layer 42 is 10cm, the size of gravel particles is 15-25mm, the size of glass pumice particles is 10-20mm, and the mixing proportion of the gravel and the glass pumice is that the gravel accounts for 40% and the glass pumice accounts for 60%. The thickness of the mixed layer 43 of coarse sand and glass pumice is 12cm, the particle size of the coarse sand is 3-5mm, the particle size of the glass pumice is 5-8mm, and the mixing proportion of the coarse sand and the glass pumice is that the coarse sand accounts for 50 percent and the glass pumice accounts for 50 percent. The thickness of the coarse sand layer 44 is 30cm, and the size of coarse sand particles is 3-5 mm.
The substrate filler layer 4 further includes a biofilm (not shown) formed by microorganisms, and the biofilm is attached to the substrate filler of the filter layer 4 and is used for decomposing pollutants in the sewage to purify the sewage.
The working process of the micro-ecological filter bed device for treating the sludge in 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; and finally, carrying out the rooting and survival process of the aquatic plants 61, and filling the pond with water for about 10 days to ensure the survival of the plants. 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, sludge is intercepted on the surface of the micro-ecological filter bed device, sewage slowly seeps into the accommodating tank 1, and the intercepted sludge is naturally dried and then quantitatively cleaned every day. The sewage is decomposed and absorbed by the microorganisms in the filter layer to achieve the effect of purifying the sewage.
To sum up, this application provides a little ecological filter bed device of mud in processing domestic sewage, including holding tank, drainage pipe, filter layer, inlet channel, aquatic plant layer etc. hold back through the mud of filter layer in to sewage for mud stops on the device surface, and the mud that stops on the device surface carries out natural drying back and handles as green plants's fertilizer, can solve among the prior art and use chemical to carry out secondary pollution that mud treatment leads to and use the big, with high costs problem of the degree of difficulty of high temperature anaerobic fermentation method implementation.
Through the adjustment to porosity and closely knit degree on inlet channel and the outlet conduit to guarantee the single treatment capacity of mud, avoid producing the problem that the stink influences the environment and solve device surface ponding because of mud is too much.
Thereby through the interval control plant density of control aquatic plant, be convenient for clear up when guaranteeing to carry out artifical clearance to mud.
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 (8)
1. A microecological filter bed device for treating sludge in 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 filter 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 enters the drainage pipeline from the drainage holes and is drained from the drainage port;
the aquatic plant layer is located above the filter layer, the aquatic plant layer comprises a sludge layer for storing sludge and a plurality of aquatic plants planted on the sludge layer, and the aquatic plants decompose and absorb pollutants in the domestic sewage.
2. The micro-ecological filter bed apparatus for treating sludge in domestic sewage according to claim 1, wherein the thickness of the sludge blanket is 10 to 15 cm.
3. The micro-ecological filter bed device for treating sludge in domestic sewage according to claim 1, wherein the number of the water inlet pipes is several, the several water inlet pipes are uniformly laid over the filter layer, and the distance between the several adjacent water inlet pipes is 1 m.
4. The micro-ecological filter bed apparatus for treating sludge in domestic sewage according to claim 3, wherein the water inlet pipe has a distance of 20cm from the filter layer in a vertical direction.
5. The micro-ecological filter bed apparatus for treating sludge in domestic sewage according to claim 1, wherein a plurality of the aquatic plants are arranged in a plurality of rows, a row pitch of a plurality of adjacent rows of the aquatic plants is 50cm, and a row pitch of a plurality of adjacent rows of the aquatic plants is 30 cm.
6. The micro-ecological filter bed device for treating sludge in domestic sewage according to 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 10mm, and the distance between the adjacent water inlet holes is 20 cm.
7. The micro-ecological filter bed device for treating sludge in domestic sewage according to claim 1, wherein a plurality of the drain holes are arranged in two rows, the two rows of the drain holes are arranged in two different directions of the drain pipeline, the diameter of the drain hole is 10mm, and the distance between adjacent drain holes is 25 cm.
8. The micro-ecological filter bed apparatus for treating sludge in domestic sewage according to 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 |
|---|---|---|---|
| CN202120121532.6U CN214528598U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating sludge in domestic sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120121532.6U CN214528598U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating sludge in domestic sewage |
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| CN214528598U true CN214528598U (en) | 2021-10-29 |
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| CN202120121532.6U Active CN214528598U (en) | 2021-01-18 | 2021-01-18 | Micro-ecological filter bed device for treating sludge in domestic sewage |
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