CN211814007U - Kitchen garbage effluent disposal system - Google Patents
Kitchen garbage effluent disposal system Download PDFInfo
- Publication number
- CN211814007U CN211814007U CN202020019732.6U CN202020019732U CN211814007U CN 211814007 U CN211814007 U CN 211814007U CN 202020019732 U CN202020019732 U CN 202020019732U CN 211814007 U CN211814007 U CN 211814007U
- Authority
- CN
- China
- Prior art keywords
- tank
- wastewater
- straw
- sludge
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010813 municipal solid waste Substances 0.000 title abstract description 9
- 239000002351 wastewater Substances 0.000 claims abstract description 85
- 239000010902 straw Substances 0.000 claims abstract description 43
- 239000002689 soil Substances 0.000 claims abstract description 41
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 30
- 230000008595 infiltration Effects 0.000 claims abstract description 26
- 238000001764 infiltration Methods 0.000 claims abstract description 26
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 15
- 239000010802 sludge Substances 0.000 claims description 64
- 239000010806 kitchen waste Substances 0.000 claims description 18
- 238000004065 wastewater treatment Methods 0.000 claims description 14
- 238000005273 aeration Methods 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000249 desinfective effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 229910000069 nitrogen hydride Inorganic materials 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000012528 membrane Substances 0.000 description 6
- 244000005700 microbiome Species 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 4
- 229920000388 Polyphosphate Polymers 0.000 description 4
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 230000004060 metabolic process Effects 0.000 description 4
- 239000001205 polyphosphate Substances 0.000 description 4
- 235000011176 polyphosphates Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 231100000678 Mycotoxin Toxicity 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 firstly Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002636 mycotoxin Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Landscapes
- Activated Sludge Processes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses a kitchen garbage effluent disposal system, including equalizing basin, mellow soil and straw infiltration pond, AO biochemical reaction pond, sedimentation tank, bological aerated filter and the disinfection pond that connects gradually deoiling pond. The utility model discloses kitchen garbage effluent disposal system adopts "mellow soil and straw infiltration pond + AO biochemical reaction pond + bological aerated filter" processing system, can effectively get rid of SS in the waste water, reduce COD, BOD in colourity and the waste water5Ammonia nitrogen and no secondary pollutionDyeing; COD and BOD in the treated wastewater5、TN、NH3N, TP, chromaticity and other pollutants can stably meet the requirements of 'comprehensive wastewater discharge Standard' (GB N, TP-1996) 'third-class Standard' and 'Water quality Standard for wastewater discharge into urban sewers' (GB/T31962-2015) 'B-class'.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, specifically speaking relates to a kitchen garbage effluent disposal system.
Background
Kitchen waste water, commonly known as swill, is a domestic waste formed in the process of domestic consumption of residents, is extremely easy to rot and deteriorate, emits stink, and spreads bacteria and viruses. The main characteristics are that the organic matter content is rich, the water content is high, the decay is easy, the character and the smell of the organic matter can cause bad influence on the environmental sanitation, and the mycotoxin and other harmful substances are easy to grow.
At present, the kitchen wastewater treatment mainly adopts a treatment device combining several or more units, such as anaerobic biological treatment, aerobic biological treatment, membrane technology treatment and the like. The wastewater after treatment should meet the three-level standard in Integrated wastewater discharge Standard (GB8978-1996) and the more strict B-level standard in Water quality Standard for wastewater discharge into urban sewers (GB/T31962-.
In the prior art, a combined process of 'pretreatment + anaerobic + aerobic + reverse osmosis membrane filtration' has the defects that firstly, the anaerobic treatment unit has high operation management requirements, and particularly an anaerobic treatment device consumes carbon sources in wastewater in the operation process to further reduce the carbon-nitrogen ratio (COD and BOD) in the wastewater5The reduction of the carbon-nitrogen ratio is more unfavorable for the biological denitrification of the wastewater; secondly, the reverse osmosis membrane treatment technology adopted by the method can meet the requirement of 'B-level' standard of 'water quality standard of sewage drained into urban sewers', and has the defects that: grease in the wastewater easily causes membrane blockage, high salinity in the wastewater can accelerate the aging of the membrane, the service life of the membrane is short, especially, the membrane technology is a physical filtration technology, only the pollutants in the wastewater are intercepted, the pollutants are not really degraded, a large amount of generated concentrated solution needs to be additionally processed in a complex process, secondary pollution is easily caused, and the operation cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a kitchen garbage effluent disposal system can effectively degrade organic matter and ammonia nitrogen in the kitchen waste, and can not cause secondary pollution.
In order to solve the technical problem, the utility model discloses a kitchen waste wastewater treatment system, which comprises an oil removal tank, a regulating tank, a mellow soil and straw infiltration tank, an A/O biochemical reaction tank, a sedimentation tank, an aeration biological filter tank and a disinfection tank which are connected in sequence;
the upper part of the oil removal tank is provided with an oil slick baffle, the lower part of the oil removal tank is provided with a sludge hopper, the bottom of the sludge hopper is provided with a sludge discharge outlet, a wastewater outlet of the oil removal tank is communicated with the regulating tank, and the oil removal tank carries out oil separation treatment on wastewater and removes most suspended solids SS;
the adjusting tank is communicated with the mellow soil and straw infiltration tank and is used for adjusting the water quantity and the water quality of the wastewater;
the mellow soil and straw infiltration tank is communicated with the anoxic zone of the A/O biochemical reaction tank, and can effectively remove SS in the wastewater and reduce the chroma;
the aerobic zone in the A/O biochemical reaction tank is communicated with the sedimentation tank, and the A/O biochemical reaction tank carries out biochemical treatment on the wastewater to effectively remove most of COD and BOD5Further removing NH3N, TN, effective for removing phosphorus;
the bottom of the sedimentation tank is provided with a sludge storage cavity, the sludge storage cavity is provided with a sludge discharge port, the upper part of the sedimentation tank is communicated with the biological aerated filter, and the wastewater is subjected to sedimentation treatment in the sedimentation tank to further remove suspended substances SS and TP in the wastewater;
the biological aerated filter is communicated with the disinfection tank and carries out biological treatment on the wastewater to further remove COD and BOD in the wastewater5、TN、NH3-N, while effecting the removal of the surviving SS;
the disinfection tank is used for disinfecting the wastewater, and the wastewater after disinfection treatment is discharged after reaching standards.
Furthermore, a straw layer and a mellow soil layer are sequentially and alternately laid in the mellow soil and straw infiltration tank, 9 layers of the mellow soil layer and the straw layer are laid together, the straw layer and the mellow soil layer are sequentially laid from top to bottom, and a flow guide inclined plate is arranged on the side walls of the mellow soil and straw infiltration tank above the uppermost straw layer and plays a role in preventing wastewater from flowing through the wall of the mellow soil and straw infiltration tank and enhancing the filtering effect.
Further, the thickness of the straw layer and the thickness of the mellow soil layer are set to be 2.5-3.5: 1.
furthermore, an aerobic zone of the A/O biochemical reaction tank is communicated with the bottom of the anoxic zone through a sludge return pipe, sludge-water mixed liquor in the aerobic zone flows back to the anoxic zone through the sludge return pipe, and the reflux ratio is 200-500%.
Furthermore, a sludge storage cavity at the lower part of the sedimentation tank is communicated with the anoxic zone of the A/O biochemical reaction tank through a sludge reflux device, part of sludge in the sludge storage cavity is refluxed into the anoxic zone of the A/O biochemical reaction tank through the sludge reflux device, and the sludge reflux ratio is 50-100%.
Furthermore, an aeration device is arranged at the bottom of the biological aerated filter, and a biological filter material layer is arranged in the biological aerated filter.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
1) the utility model discloses kitchen garbage effluent disposal system adopts "mellow soil and straw infiltration pond + AO biochemical reaction pond + bological aerated filter" processing system, can effectively get rid of SS in the waste water, reduce COD, BOD in colourity and the waste water5Ammonia nitrogen and the like, and secondary pollution can not be generated; COD and BOD in the treated wastewater5、TN、NH3N, TP, chromaticity and other pollutants can stably meet the requirements of 'comprehensive wastewater discharge Standard' (GB N, TP-1996) 'third-class Standard' and 'Water quality Standard for wastewater discharge into urban sewers' (GB/T31962-2015) 'B-class'.
2) The utility model discloses microorganism in the aerobic zone in the AO biochemical reaction pond among the kitchen garbage effluent disposal system in the active sludge can carry out metabolism effectively, with COD, BOD in the waste water5Degrading, and meanwhile, oxidizing ammonia nitrogen in the wastewater into nitrate nitrogen and nitrite nitrogen by nitrifying bacteria in the activated sludge; the denitrifying bacteria in the anoxic zone of the A/O biochemical reaction tank consume the carbon source to remove COD and BOD in the wastewater5Meanwhile, nitrate nitrogen and nitrite nitrogen are converted into nitrogen, and effective denitrification is realized through a nitrification-denitrification reaction; meanwhile, microorganisms in the activated sludge absorb phosphorus in the metabolism process to form polyphosphate, and the polyphosphate is stored in the microorganisms, so that the phosphorus in the wastewater is effectively removed.
3) The utility model further removes SS and TP in the wastewater during the treatment of the sedimentation tank in the kitchen waste wastewater treatment system; in the biological treatment of the aeration biological filter, COD and BOD are further removed5、TN、NH3N, and simultaneously removing the SS remained in the wastewater.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a structural diagram of a kitchen waste and wastewater treatment system of the utility model;
FIG. 2 is a structural diagram of a mellow soil and straw infiltration tank in the kitchen waste and wastewater treatment system.
In the figure, 1, an oil removal tank, 11, a sludge hopper, 12, a sludge discharge outlet, 2, an adjusting tank, 3, a mellow soil and straw infiltration tank, 31, a straw layer, 32, a mature soil layer, 33, a diversion inclined plate, 4, an A/O biochemical reaction tank, 41, an anoxic zone, 42, an aerobic zone, 43, a sludge return pipe, 5, a sedimentation tank, 51, a sludge storage cavity, 52, a sludge discharge outlet, 53, a sludge return device, 6, an aeration biological filter tank, 6 and a disinfection tank.
Detailed Description
The following embodiments will be described in detail with reference to the accompanying drawings, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the size and thickness of each component are not limited in the present application. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood as appropriate by one of ordinary skill in the art.
The utility model discloses kitchen garbage effluent disposal system adopts "mellow soil and straw infiltration pond + AO biochemical reaction pond + bological aerated filter" processing system, can effectively get rid of SS in the waste water, reduce COD, BOD in colourity and the waste water5Ammonia nitrogen and the like, and secondary pollution can not be generated; COD and BOD in the treated wastewater5、TN、NH3N, TP, chromaticity and other pollutants can stably meet the requirements of 'comprehensive wastewater discharge Standard' (GB N, TP-1996) 'third-class Standard' and 'Water quality Standard for wastewater discharge into urban sewers' (GB/T31962-2015) 'B-class'.
The utility model discloses a kitchen waste wastewater treatment system, which comprises an oil removal tank 1, an adjusting tank 2, a mellow soil and straw infiltration tank 3, an A/O biochemical reaction tank 4, a sedimentation tank 5, an aeration biological filter tank 6 and a disinfection tank 7 which are connected in sequence as shown in figure 1;
the upper part of the oil removal tank 1 is provided with an oil slick baffle, the lower part of the oil removal tank 1 is provided with a sludge hopper 11, the bottom of the sludge hopper 11 is provided with a sludge discharge outlet 12, a wastewater outlet of the oil removal tank 1 is communicated with the regulating tank 2, the oil removal tank 1 carries out oil removal treatment on wastewater, and meanwhile, most suspended matters SS are removed;
in the concrete implementation process, the oil slick baffle separates the oil slick that freely floats in the waste water upper strata in deoiling pond 1, and the oil slick of holding back adopts corresponding device regularly to clear away, and large granule impurity and large granule suspended solid in the waste water deposit in the sludge bucket 11 of 1 lower part of deoiling pond under the effect of gravity, and the mud of sediment is discharged by sludge discharge outlet 12, realizes getting rid of most suspended solid SS.
In specific implementation, the sludge discharge outlet 12 is additionally connected with sludge dewatering equipment for dewatering sludge; the sludge dewatering equipment can adopt a centrifugal dewatering machine or a belt dewatering machine, and the dewatered sludge is transported outside.
The adjusting tank 2 is communicated with the mellow soil and straw infiltration tank 3, and the adjusting tank 2 adjusts the quantity and the quality of wastewater;
the mellow soil and straw infiltration tank 3 is communicated with the anoxic zone 41 of the A/O biochemical reaction tank 4, and the mellow soil and straw infiltration tank 3 can effectively remove SS in the wastewater and reduce the chroma;
as shown in fig. 2, a straw layer 31 and an mellow soil layer 32 are sequentially and alternately laid in the mellow soil and straw infiltration tank 3, 9 layers of the mellow soil layer 32 and the straw layer 31 are laid together, the straw layer 31 and the mellow soil layer 32 are sequentially laid from top to bottom, a flow guide inclined plate 33 is arranged on the side wall of the mellow soil and straw infiltration tank 3 above the uppermost straw layer 31, and the flow guide inclined plate 33 prevents wastewater from flowing through the wall of the mellow soil and straw infiltration tank 3 and enhances the filtering effect; the inclined diversion plate 33 can automatically adjust the inclination angle according to the water quantity of the waste water.
The thickness of the straw layer 31 and the thickness of the mellow soil layer 32 are set to be 2.5-3.5: 1. the thickness of the mature soil layer 32 is preferably set to be 2-6mm in the specific implementation process, and the thickness can be adjusted according to the actual use condition during setting.
The aerobic zone 42 in the A/O biochemical reaction tank 4 is communicated with the sedimentation tank 5, and the A/O biochemical reaction tank 4 carries out biochemical treatment on the wastewater to effectively remove most of COD and BOD5Further removing NH3N, TN, effective for removing phosphorus;
the aerobic zone 42 of the A/O biochemical reaction tank 4 is communicated with the bottom of the anoxic zone 41 through a sludge return pipe 43, and the sludge-water mixed liquor in the aerobic zone 42 flows back into the anoxic zone 41 through the sludge return pipe 43, wherein the reflux ratio is 200-500%.
A sludge storage cavity 51 is arranged at the bottom of the sedimentation tank 5, a sludge discharge port 52 is arranged in the sludge storage cavity 51, the upper part of the sedimentation tank 5 is communicated with the biological aerated filter 6, and the wastewater is subjected to sedimentation treatment in the sedimentation tank 5 to further remove suspended substances SS and TP in the wastewater;
the sludge storage cavity 51 at the lower part of the sedimentation tank 5 is communicated with the anoxic zone 41 of the A/O biochemical reaction tank 4 through a sludge reflux device 53, part of sludge in the sludge storage cavity 51 is refluxed into the anoxic zone 41 of the A/O biochemical reaction tank 4 through the sludge reflux device 53, and the sludge reflux ratio is 50-100%. The sludge recirculation apparatus 53 is a pump or a sludge recirculation pipe in the prior art, and is applicable as long as the sludge recirculation can be realized.
In specific implementation, the sludge storage cavity 51 is additionally connected with sludge dewatering equipment for dewatering sludge; the sludge dewatering equipment can adopt a centrifugal dewatering machine or a belt dewatering machine, and the dewatered sludge is transported outside.
The bottom of the biological aerated filter 6 is provided with an aeration device, a biological filter material layer is arranged in the biological aerated filter 6, the biological aerated filter 6 is communicated with a disinfection tank 7, the biological aerated filter 6 carries out biological treatment on the wastewater to further remove COD and BOD in the wastewater5、TN、NH3-N, while effecting the removal of the surviving SS;
in the specific implementation process, the aeration device provides air by the air source device for aeration, the wastewater in the biological aerated filter 6 is fully contacted with the microbial film in the biological filter material layer, organic matters in the wastewater are degraded and subjected to nitrification and denitrification for denitrification, so that COD and BOD in the wastewater are further removed5、TN、NH3N, and meanwhile, the filtering function of the biological aerated filter 6 realizes the removal of the suspended substances SS which exist still.
The disinfection tank 7 is used for disinfecting the wastewater, and the wastewater after disinfection is discharged after reaching standards. The disinfectant can be chlorine dioxide, ozone, bleaching powder, etc.
When the kitchen waste wastewater treatment system is used for treating wastewater, firstly, kitchen waste wastewater is sent into the oil removal tank 1 to remove oil and part of suspended solids SS in the kitchen waste wastewater, then the kitchen waste wastewater enters the regulating tank 2 to regulate the wastewater quantity and water quality, then the kitchen waste wastewater enters the mellow soil and straw infiltration tank 3, and the SS in the wastewater is removed and the chromaticity is reduced through alternately laying the straw layers 31 and the mellow soil layers 32 in sequence; then enters an A/O biochemical reaction tank 4The microorganisms in the activated sludge in the aerobic zone 42 of the A/O biochemical reaction tank 4 can effectively carry out metabolism, and COD and BOD in the wastewater can be effectively carried out5Degrading, and meanwhile, oxidizing ammonia nitrogen in the wastewater into nitrate nitrogen and nitrite nitrogen by nitrifying bacteria in the activated sludge; the denitrifying bacteria in the anoxic zone 41 of the A/O biochemical reaction tank 4 consume the carbon source to remove COD and BOD in the wastewater5Meanwhile, nitrate nitrogen and nitrite nitrogen are converted into nitrogen, and effective denitrification is realized through a nitrification-denitrification reaction; meanwhile, microorganisms in the activated sludge absorb phosphorus in the metabolism process to form polyphosphate, and the polyphosphate is stored in the microorganisms, so that the phosphorus in the wastewater is effectively removed; then the SS and TP in the wastewater are further removed by a sedimentation tank 5, and the wastewater enters an aeration biological filter 6 for further removing COD and BOD5、TN、NH3And (5) removing SS (suspended substances) still existing in the wastewater at the same time, and finally, disinfecting the wastewater in a disinfection tank 7 to achieve the standard and discharge.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A kitchen waste wastewater treatment system is characterized by comprising an oil removal tank (1), a regulating tank (2), a mellow soil and straw infiltration tank (3), an A/O biochemical reaction tank (4), a sedimentation tank (5), an aeration biological filter tank (6) and a disinfection tank (7) which are connected in sequence;
the upper part of the oil removal tank (1) is provided with an oil slick baffle, the lower part of the oil removal tank (1) is provided with a sludge hopper (11), the bottom of the sludge hopper (11) is provided with a sludge discharge outlet (12), a wastewater outlet of the oil removal tank (1) is communicated with the adjusting tank (2), the oil removal tank (1) performs oil separation treatment on wastewater, and meanwhile, most suspended matters SS are removed;
the adjusting tank (2) is communicated with the mellow soil and straw infiltration tank (3), and the adjusting tank (2) adjusts the quantity and quality of wastewater;
the mellow soil and straw infiltration tank (3) is communicated with the anoxic zone (41) of the A/O biochemical reaction tank (4), and the mellow soil and straw infiltration tank (3) can effectively remove SS in wastewater and reduce chroma;
the aerobic zone (42) in the A/O biochemical reaction tank (4) is communicated with the sedimentation tank (5), and the A/O biochemical reaction tank (4) carries out biochemical treatment on the wastewater to effectively remove most of COD and BOD5Further removing NH3N, TN, effective for removing phosphorus;
a sludge storage cavity (51) is formed in the bottom of the sedimentation tank (5), a sludge discharge port (52) is formed in the sludge storage cavity (51), the upper portion of the sedimentation tank (5) is communicated with the biological aerated filter (6), and suspended substances SS and TP in the wastewater are further removed through sedimentation treatment of the sedimentation tank;
the biological aerated filter (6) is communicated with the disinfection tank (7), and the biological aerated filter (6) carries out biological treatment on the wastewater to further remove COD and BOD in the wastewater5、TN、NH3-N, while effecting the removal of the surviving SS;
the disinfection tank (7) is used for disinfecting the wastewater, and the wastewater after disinfection is discharged after reaching the standard.
2. The kitchen waste wastewater treatment system according to claim 1, wherein straw layers (31) and mature soil layers (32) are sequentially and alternately laid in the mature soil and straw infiltration tank (3), 9 layers of the mature soil layers (32) and the straw layers (31) are laid, the straw layers (31) and the mature soil layers (32) are sequentially laid from top to bottom, and a diversion inclined plate (33) is arranged on the side wall of the mature soil and straw infiltration tank (3) above the uppermost straw layer.
3. The kitchen waste and wastewater treatment system according to claim 2, wherein the thicknesses of the straw layer (31) and the mature soil layer (32) are set to be 2.5-3.5: 1.
4. the kitchen waste and wastewater treatment system according to claim 1, characterized in that the aerobic zone (42) of the A/O biochemical reaction tank (4) is communicated with the bottom of the anoxic zone (41) through a sludge return pipe (43).
5. The kitchen waste and wastewater treatment system according to claim 1 or 4, characterized in that the sludge storage chamber (51) at the lower part of the sedimentation tank (5) is communicated with the anoxic zone (41) of the A/O biochemical reaction tank (4) through a sludge reflux device (53).
6. The kitchen waste and wastewater treatment system according to claim 1, wherein an aeration device is arranged at the bottom of the biological aerated filter (6), and a biological filter material layer is arranged in the biological aerated filter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020019732.6U CN211814007U (en) | 2020-01-06 | 2020-01-06 | Kitchen garbage effluent disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020019732.6U CN211814007U (en) | 2020-01-06 | 2020-01-06 | Kitchen garbage effluent disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211814007U true CN211814007U (en) | 2020-10-30 |
Family
ID=73048512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020019732.6U Expired - Fee Related CN211814007U (en) | 2020-01-06 | 2020-01-06 | Kitchen garbage effluent disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211814007U (en) |
-
2020
- 2020-01-06 CN CN202020019732.6U patent/CN211814007U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101318758A (en) | A water treatment process combining air flotation and biological filter | |
| CN205170617U (en) | Combined type treatment of domestic sewage integration equipment | |
| CN106746175A (en) | A kind of kitchen garbage, waste-water processing method | |
| CN114988632B (en) | Domestic sewage sludge synchronous ecological treatment integrated equipment and treatment method | |
| CN114291964B (en) | Sewage treatment system and method for denitrification and phosphorus recovery | |
| CN106430845A (en) | Kitchen garbage wastewater treatment apparatus | |
| CN110902962A (en) | A waste water system for treating melamine adhesive film paper | |
| CN103708675A (en) | Landfill leachate treatment method based on high-frequency vibration membrane | |
| CN105712575A (en) | Method for treating waste water by replacing activated sludge mixed liquor suspended solids with immobilized microorganisms | |
| CN116282639A (en) | Multimedia membrane mud symbiosis sewage purification process system and equipment | |
| CN114455708A (en) | Integrated sewage treatment equipment and sewage treatment method | |
| CN207738512U (en) | MBR film buried integrated sewage Processing Equipments | |
| KR102108870B1 (en) | Membrane Treatment Device for Eliminating Nitrogen and/or Phosphorus | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN209759222U (en) | Novel food processing waste water treatment equipment | |
| CN105859042A (en) | Sewage treatment method and system | |
| CN201406361Y (en) | A landfill leachate wastewater treatment device | |
| CN211814007U (en) | Kitchen garbage effluent disposal system | |
| CN111153551A (en) | Municipal sewage treatment device and treatment process | |
| CN114249496A (en) | Sewage treatment system and method | |
| KR100702194B1 (en) | Advanced wastewater treatment system and treatment method using immersion membrane and desulfurization process | |
| CN109081452B (en) | Sequencing batch sewage treatment device and process with immobilized carrier biological membrane and activated sludge coupled | |
| CN1296297C (en) | Deep cleaning treatment process for city effluent | |
| CN113772890A (en) | A sewage treatment system and treatment method based on AO-MBBR-inductive coupling filter | |
| CN112093896A (en) | A kind of low-oxygen dynamic membrane integrated reactor for denitrification and phosphorus removal of sewage and purification method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20220106 |