CN220012412U - Sewage aeration biological filter - Google Patents
Sewage aeration biological filter Download PDFInfo
- Publication number
- CN220012412U CN220012412U CN202321654710.7U CN202321654710U CN220012412U CN 220012412 U CN220012412 U CN 220012412U CN 202321654710 U CN202321654710 U CN 202321654710U CN 220012412 U CN220012412 U CN 220012412U
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- Prior art keywords
- sewage
- layer
- filter layer
- aeration
- inlet pipe
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- 239000010865 sewage Substances 0.000 title claims abstract description 78
- 238000005273 aeration Methods 0.000 title claims abstract description 50
- 231100000331 toxic Toxicity 0.000 claims abstract description 30
- 230000002588 toxic effect Effects 0.000 claims abstract description 30
- 239000004519 grease Substances 0.000 claims abstract description 27
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 239000003053 toxin Substances 0.000 claims abstract description 18
- 231100000765 toxin Toxicity 0.000 claims abstract description 18
- 239000004568 cement Substances 0.000 claims description 22
- 238000011010 flushing procedure Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 4
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000010883 coal ash Substances 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims 1
- 238000006065 biodegradation reaction Methods 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 229910021645 metal ion Inorganic materials 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 230000002285 radioactive effect Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000011001 backwashing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000013543 active substance Substances 0.000 abstract description 4
- 238000005054 agglomeration Methods 0.000 abstract description 4
- 230000002776 aggregation Effects 0.000 abstract description 4
- 238000007667 floating Methods 0.000 abstract description 4
- 239000006260 foam Substances 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 108700012359 toxins Proteins 0.000 description 13
- 241000894006 Bacteria Species 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a sewage aeration biological filter, which comprises the following components: the toxic heavy metal filter layer, the upside of the toxic heavy metal filter layer is provided with a suspended particle adsorption layer, the upside of the suspended particle adsorption layer is provided with a color odor filter layer, the upside of the color odor filter layer is provided with an grease toxin filter layer, toxic metal ions, radioactive pollutants and suspended matters in sewage can be effectively absorbed through the toxic heavy metal filter layer and the suspended particle adsorption layer, the burden of biodegradation conversion can be well reduced, the frequency of backwashing caused by filter material agglomeration and blockage is reduced, and the sewage treatment efficiency is improved; the color and smell in the sewage can be well reduced through the color and smell filter layer, so that the water flowing out is clear; the grease toxin filter layer can well adsorb and eliminate grease substances in sewage, so that the possibility of pollution to external equipment caused by foam accumulation and overflow of the tank wall due to floating of grease active substances in the aeration process is reduced.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sewage aeration biological filter.
Background
The aeration biological filter is a brand new sewage treatment technology integrating sewage biological treatment and deep filtration based on the traditional biological membrane method. The aeration biological filter tank integrates biological oxidation and suspended solid interception, saves a subsequent sedimentation tank (secondary sedimentation tank), has large volume load and hydraulic load, short hydraulic retention time, small required capital investment and good effluent quality: low energy consumption and low cost.
The existing aeration biological filter can realize the functions of SS, COD, BOD, nitrification, denitrification, dephosphorization and AOX (harmful substances) removal by automatically and continuously feeding water, supplying oxygen, back flushing, discharging mud, switching valves and the like, but has high requirements on suspended substances SS of the fed water, and if the SS of the fed water is higher, the filter can reach the designed water head loss in a short time to be blocked. This results in frequent backwashing, increased running costs, and inconvenience in management. The Chinese patent discloses a 'separated aeration biological filter' with the application number of 'CN 200820219111.1', which is respectively washed by one grid, can shorten the washing time, improve the washing efficiency, ensure uniform washing strength, keep the activity of a biological film, prevent blockage and improve the production efficiency of the aeration biological filter, but the biological film can not absorb and eliminate toxic metal ions and radioactive pollutants in sewage at some time well, can possibly cause the biological film to accumulate continuously and agglomerate and block, and can not absorb and convert grease toxins in the sewage well.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a sewage aeration biological filter which can effectively absorb toxic metal ions, radioactive pollutants and suspended matters in sewage through a toxic heavy metal filter layer and a suspended particle adsorption layer, can well reduce the burden of biodegradation conversion, reduces the frequency of back flushing caused by filter material agglomeration and blockage, and improves the sewage treatment efficiency; the color and smell in the sewage can be well reduced through the color and smell filter layer, so that the water flowing out is clear; the grease toxin filter layer can well adsorb and eliminate grease substances in sewage, so that the possibility of pollution to external equipment caused by foam accumulation and overflow of the tank wall due to floating of grease active substances in the aeration process is reduced.
The utility model also provides a sewage aeration biological filter provided with the sewage aeration biological filter, which comprises the following components: the toxic heavy metal filter layer, the upside of toxic heavy metal filter layer is provided with the suspended particle adsorption layer, the upside of suspended particle adsorption layer is provided with the colour smell filter layer, the upside of colour smell filter layer is provided with the grease toxin filter layer, the upside of grease toxin filter layer is provided with the biomembrane layer, the outside on biomembrane layer is provided with the cement pond shell, the lower surface fixedly connected with cement base of cement pond shell.
According to the sewage aeration biological filter, the paving material of the toxic heavy metal filter layer is natural zeolite. Can well absorb toxic metal ions, remove radioactive pollutants in sewage, and lighten the burden of biodegradation conversion.
According to the sewage biological aerated filter provided by the utility model, the paving material of the suspended particle adsorption layer is coal ash. Reduces the suspended matters leading to biodegradation, and reduces the frequency of backwashing caused by blockage of excessive amount of the suspended matters in biodegradation.
According to the sewage aeration biological filter, the paving material of the color and smell filter layer is activated alumina. The color and odor content in the sewage are obviously reduced, and the sewage treatment condition is convenient for workers to observe.
According to the sewage aeration biological filter, the paving material of the grease toxin filter layer is montmorillonite. The content of the grease substances in the sewage is reduced, and the floating of grease substance particles by using aeration bubbles is reduced.
According to the sewage aeration biological filter, the paving material of the biological film layer is ceramsite. Is convenient for propagation and survival of carbon-removing abnormal bacteria, nitrifying bacteria, phosphorus accumulating bacteria and the like.
According to the sewage biological aerated filter disclosed by the utility model, the left side of the cement tank shell is fixedly connected with a clear water outlet pipe, an aeration pipe and a back flushing air inlet pipe, the right side of the aeration pipe is fixedly connected with a first air blower, the right side of the back flushing air inlet pipe is fixedly connected with a second air blower, the first air blower and the second air blower are fixedly connected with the upper surface of the cement base, the clear water outlet pipe is positioned above a biological film layer, the aeration pipe is positioned below a toxic heavy metal filtering layer, and the back flushing air inlet pipe is positioned below the aeration pipe. Can provide power for aeration well, so that aeration is more uniform and biodegradation conversion is facilitated.
According to the sewage aeration biological filter, the right side of the cement tank shell is fixedly connected with a backwash drain pipe, a sewage inlet pipe and a backwash inlet pipe, the right side of the backwash inlet pipe is fixedly connected with a water pump, the backwash drain pipe is positioned above a biological film layer, the sewage inlet pipe is positioned below a toxic heavy metal filter layer, and the backwash inlet pipe is positioned below the sewage inlet pipe. The back flushing can be well carried out to drop suspended matters attached to the filter material, thereby effectively achieving the purpose of cleaning the filter material.
Advantageous effects
1. Compared with the prior art, the device can effectively absorb toxic metal ions, radioactive pollutants and suspended matters in sewage through the toxic heavy metal filter layer and the suspended particle adsorption layer, can well reduce the burden of biodegradation conversion, reduces the frequency of backwashing caused by filter material agglomeration and blockage, and improves the sewage treatment efficiency.
2. Compared with the prior art, the device can well reduce the color and smell in the sewage through the color smell filter layer, so that the water flowing out is clear.
3. Compared with the prior art, the device can well adsorb and eliminate the grease substances in the sewage through the grease toxin filter layer, and reduces the possibility of pollution to external equipment caused by foam accumulation overflow pool walls due to floating of the grease active substances in the aeration process.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a front view of a construction diagram of a sewage aeration biological filter according to the present utility model;
FIG. 2 is a top view structural diagram of a sewage aeration biological filter according to the present utility model;
FIG. 3 is a cross-sectional view of the sewage aeration biological filter of FIG. 2A;
FIG. 4 is a diagram showing the overall construction of a sewage aeration biological filter according to the present utility model.
Legend description:
1. a toxic heavy metal filter layer; 2. a suspended particle adsorption layer; 3. a first blower; 4. a color odor filter layer; 5. a grease toxin filter layer; 6. a cement base; 7. a biofilm layer; 8. a cement pond shell; 9. a clear water outlet pipe; 10. back flushing the drain pipe; 11. a sewage inlet pipe; 12. an aeration pipe; 13. back flushing the air inlet pipe; 14. a second blower; 15. back flushing the water inlet pipe; 16. and (3) a water pump.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 4, a sewage aeration biological filter according to an embodiment of the present utility model includes: the toxic heavy metal filter layer 1 filters toxic heavy metals in sewage, and the paving material of the toxic heavy metal filter layer 1 is natural zeolite. And removing or recovering metal ions from the sewage, and removing radioactive pollutants in the sewage. The upper side of the toxic heavy metal filter layer 1 is provided with a suspended particle adsorption layer 2 for adsorbing suspended particles in sewage, and the paving material of the suspended particle adsorption layer 2 is coal ash. Adsorbing and purifying suspended particles. The upper side of the suspended particle adsorption layer 2 is provided with a color odor filter layer 4, the color and odor in the sewage are eliminated, and the paving material of the color odor filter layer 4 is activated alumina. Eliminating color and smell in sewage.
The upper side of the color odor filter layer 4 is provided with a grease toxin filter layer 5 for filtering grease toxin in sewage, and the paving material of the grease toxin filter layer 5 is montmorillonite. Removing toxins of edible oil in the sewage, and purifying gasoline and petroleum in the sewage. The upper side of the grease toxin filter layer 5 is provided with a biological film layer 7, phosphorus and nitrogen in sewage are mainly converted through biodegradation, and the paving material of the biological film layer 7 is ceramsite. Is used for placing carbon-removing abnormal bacteria, nitrifying bacteria, phosphorus accumulating bacteria and the like. The outside of biomembrane layer 7 is provided with cement pool shell 8 for carry out sewage denitrification dephosphorization and handle the space, the lower surface fixedly connected with cement base 6 of cement pool shell 8, support cement pool shell 8.
The left side fixedly connected with clear water outlet pipe 9 of cement pond shell 8, the aeration pipe 12, back flush intake pipe 13, the right side fixedly connected with first air-blower 3 of aeration pipe 12 provides power for aeration pipe 12, the right side fixedly connected with second air-blower 14 of back flush intake pipe 13, provide power for back flush intake pipe 13, first air-blower 3, the upper surface fixed connection of second air-blower 14 and cement base 6, support first air-blower 3, second air-blower 14, clear water outlet pipe 9 is located the top of biomembrane layer 7, confirm the relation of position of clear water outlet pipe 9 and biomembrane layer 7, aeration pipe 12 is located the below of toxic heavy metal filter layer 1, back flush intake pipe 13 is located the below of aeration pipe 12, confirm the relation of position of back flush intake pipe 13 and aeration pipe 12.
The right side of the cement pond shell 8 is fixedly connected with a backwash drain pipe 10, a sewage inlet pipe 11 and a backwash inlet pipe 15, the right side of the backwash inlet pipe 15 is fixedly connected with a water pump 16 for providing power for the backwash inlet pipe 15, the backwash drain pipe 10 is positioned above the biological film layer 7, the position relationship between the backwash drain pipe 10 and the biological film layer 7 is determined, the sewage inlet pipe 11 is positioned below the toxic heavy metal filter layer 1, the position relationship between the sewage inlet pipe 11 and the toxic heavy metal filter layer 1 is determined, the backwash inlet pipe 15 is positioned below the sewage inlet pipe 11, and the position relationship between the backwash inlet pipe 15 and the sewage inlet pipe 11 is determined.
Working principle: when the sewage treatment device is used, sewage enters the bottom of the cement pond shell 8 through the sewage inlet pipe 11, then the water level gradually rises along with the massive entry of the sewage, and firstly toxic metal ions, radioactive pollutants and suspended matters in the sewage are absorbed through the toxic heavy metal filter layer 1 and the suspended particle adsorption layer 2, so that the burden of biodegradation conversion can be well reduced, the frequency of backwashing caused by filter material agglomeration and blockage is reduced, and the sewage treatment efficiency is improved; then the color and smell in the sewage are reduced by the adsorption elimination of the color and smell filter layer 4, so that the discharged water is clear, then the grease substances in the sewage are eliminated by the adsorption of the grease toxin filter layer 5, the possibility that the grease active substances float upwards in the aeration process to generate foam to accumulate and overflow the pool wall to cause the pollution of external equipment is reduced, and finally the clear water is discharged through the clear water outlet pipe by the denitrification and dephosphorization treatment of the biological film layer 7.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A biological aerated filter for wastewater, comprising: toxic heavy metal filter layer (1), the upside of toxic heavy metal filter layer (1) is provided with suspended particle adsorption layer (2), the upside of suspended particle adsorption layer (2) is provided with colour smell filter layer (4), the upside of colour smell filter layer (4) is provided with grease toxin filter layer (5), the upside of grease toxin filter layer (5) is provided with biomembrane layer (7), the outside of biomembrane layer (7) is provided with cement pond shell (8), the lower fixed surface of cement pond shell (8) is connected with cement base (6).
2. A sewage aeration biological filter according to claim 1, characterized in that the paving material of the toxic heavy metal filter layer (1) is natural zeolite.
3. A sewage aeration biological filter according to claim 1, characterized in that the laying material of the suspended particle adsorption layer (2) is coal ash.
4. A sewage aeration biological filter according to claim 1, characterized in that the paving material of the color-odor filter layer (4) is activated alumina.
5. A sewage aeration biological filter according to claim 1, characterized in that the material of the grease toxin filter layer (5) is montmorillonite.
6. A sewage aeration biological filter according to claim 1, characterized in that the paving material of the biological film layer (7) is haydite.
7. The sewage biological aerated filter according to claim 1, wherein a clear water outlet pipe (9), an aeration pipe (12) and a back flushing air inlet pipe (13) are fixedly connected to the left side of the cement tank shell (8), a first air blower (3) is fixedly connected to the right side of the aeration pipe (12), a second air blower (14) is fixedly connected to the right side of the back flushing air inlet pipe (13), the first air blower (3), the second air blower (14) are fixedly connected with the upper surface of the cement base (6), the clear water outlet pipe (9) is located above a biological film layer (7), the aeration pipe (12) is located below a toxic heavy metal filtering layer (1), and the back flushing air inlet pipe (13) is located below the aeration pipe (12).
8. The sewage aeration biological filter according to claim 1, wherein a backwash drain pipe (10), a sewage inlet pipe (11) and a backwash inlet pipe (15) are fixedly connected to the right side of the cement tank shell (8), a water pump (16) is fixedly connected to the right side of the backwash inlet pipe (15), the backwash drain pipe (10) is located above the biological film layer (7), the sewage inlet pipe (11) is located below the toxic heavy metal filter layer (1), and the backwash inlet pipe (15) is located below the sewage inlet pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654710.7U CN220012412U (en) | 2023-06-28 | 2023-06-28 | Sewage aeration biological filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654710.7U CN220012412U (en) | 2023-06-28 | 2023-06-28 | Sewage aeration biological filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012412U true CN220012412U (en) | 2023-11-14 |
Family
ID=88680762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321654710.7U Active CN220012412U (en) | 2023-06-28 | 2023-06-28 | Sewage aeration biological filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012412U (en) |
-
2023
- 2023-06-28 CN CN202321654710.7U patent/CN220012412U/en active Active
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