CN220166012U - Kitchen wastewater treatment device - Google Patents
Kitchen wastewater treatment device Download PDFInfo
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- CN220166012U CN220166012U CN202321484532.8U CN202321484532U CN220166012U CN 220166012 U CN220166012 U CN 220166012U CN 202321484532 U CN202321484532 U CN 202321484532U CN 220166012 U CN220166012 U CN 220166012U
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 25
- 239000002351 wastewater Substances 0.000 claims abstract description 63
- 238000004062 sedimentation Methods 0.000 claims description 61
- 239000010802 sludge Substances 0.000 claims description 49
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 244000005700 microbiome Species 0.000 claims description 16
- 239000002893 slag Substances 0.000 claims description 16
- 239000010806 kitchen waste Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 abstract description 9
- 239000003814 drug Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 102000004169 proteins and genes Human genes 0.000 description 7
- 108090000623 proteins and genes Proteins 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 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
- 239000007788 liquid Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000001546 nitrifying effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a kitchen wastewater treatment device, which comprises a pretreatment component, a first treatment component, a second treatment component and a third treatment component which are sequentially communicated; this kitchen wastewater treatment device's pretreatment component is including the collecting vat, oil removal slagging-off all-in-one and the equalizing basin that communicate in proper order, and oil removal slagging-off all-in-one is to the solid and the oily material autosegregation in the waste water, need not the externally applied medicament, reduces the treatment cost of waste water, has also avoided the influence that the medicament caused biochemical system, ensures subsequent wastewater treatment's high-efficient operation.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a kitchen wastewater treatment device.
Background
The waste water after anaerobic fermentation and dehydration of the kitchen waste slurry and the waste water produced in other processes of kitchen waste treatment are high in chemical oxygen demand concentration in the kitchen waste water due to complex components, and high in suspended matters, oil content, total phosphorus, ammonia nitrogen, total nitrogen, protein and salt content, and belong to high-concentration organic waste water with high treatment difficulty.
The traditional process generally adopts a 'grid + oil removal + regulating tank + air flotation machine + UASB anaerobic tower + anoxic + aerobic + secondary sedimentation tank + coagulating sedimentation' for treatment, protein substances in the wastewater need to be fully salted out, and the addition of a large amount of neutral salts can influence the degradation efficiency of a subsequent biochemical system, so that partial organic matters in the wastewater are reduced by flocculation, the anaerobic gas production rate is low, and the biogas production amount is low; the protein substances in the wastewater are converted into ammonia nitrogen in the anaerobic process, the subsequent biochemical efficiency is influenced by the excessive concentration of the ammonia nitrogen, and the ammonia nitrogen and total nitrogen are difficult to reach the standard for emission due to the traditional primary denitrification process.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a kitchen wastewater treatment device.
The aim of the utility model is realized by the following technical scheme:
the kitchen wastewater treatment device comprises a pretreatment assembly, a first treatment assembly, a second treatment assembly and a third treatment assembly which are sequentially communicated; the pretreatment component comprises a collecting tank and an adjusting tank which are sequentially communicated, and the collecting tank is communicated with a wastewater inlet pipe; the first treatment assembly comprises an anaerobic generator, an ammonia nitrogen stripping tank, an anaerobic baffle plate reactor and an intermediate sedimentation tank which are sequentially communicated, and the anaerobic generator is communicated with the regulating tank; the second treatment assembly comprises a microorganism treatment component and a secondary sedimentation tank which are sequentially communicated, and the middle sedimentation tank is communicated with the microorganism treatment component; the third treatment assembly comprises a dephosphorization reaction sedimentation tank, and the secondary sedimentation tank is communicated with the wastewater outlet pipe through the dephosphorization reaction sedimentation tank.
Further, the device also comprises a sludge treatment assembly, wherein the sludge treatment assembly comprises a sludge tank, the bottom of the secondary sedimentation tank and the bottom of the dephosphorization reaction sedimentation tank are both communicated with the sludge tank, and the middle part of the sludge tank is communicated with the regulating tank.
Further, the sludge treatment assembly further comprises a sludge dehydrator, one end of the sludge dehydrator is communicated with the sludge tank, and the other end of the sludge dehydrator is communicated with the regulating tank.
Further, the pretreatment component further comprises an oil separation and slag removal integrated machine, the collecting tank is communicated with the regulating tank through the oil separation and slag removal integrated machine, and the bottom of the oil separation and slag removal integrated machine is communicated with the sludge tank.
Further, a first return pipe is arranged between the bottom of the intermediate sedimentation tank and the bottom of the anaerobic baffle reactor.
Further, the microorganism treatment component comprises a first anoxic-aerobic tank and a second anoxic-aerobic tank which are sequentially communicated.
Further, the first anoxic-aerobic tank comprises a first anoxic tank and a first aerobic tank which are sequentially communicated, the second anoxic-aerobic tank comprises a second anoxic tank and a second aerobic tank which are sequentially communicated, the first anoxic tank is communicated with the middle sedimentation tank, and the second aerobic tank is communicated with the secondary sedimentation tank.
Further, a second return pipe is arranged between the secondary sedimentation tank and the first anoxic tank.
Further, a first biogas outlet pipe is arranged at the top of the anaerobic generator, and a second biogas outlet pipe is arranged at the top of the anaerobic baffle reactor.
The beneficial effects of the utility model are as follows:
1) This kitchen wastewater treatment device's pretreatment component is including the collecting vat, oil removal slagging-off all-in-one and the equalizing basin that communicate in proper order, and oil removal slagging-off all-in-one is to the solid and the oily material autosegregation in the waste water, need not the externally applied medicament, reduces the treatment cost of waste water, has also avoided the influence that the medicament caused biochemical system, ensures subsequent wastewater treatment's high-efficient operation.
2) The kitchen wastewater treatment device is provided with an anaerobic generator and an anaerobic baffle plate reactor, generates a large amount of biogas in the running process of the reagent, and is used for biogas power generation after dehydration and desulfurization so as to realize reutilization.
3) Through setting up first treatment component, second treatment component and third treatment component, carry out continuous treatment to waste water in proper order, chemical oxygen demand, ammonia nitrogen, total phosphorus and the chromaticity in the waste water are reduced to the minimum, make kitchen waste water treatment facilities have stronger shock resistance load ability when reaching stable emission requirement.
Drawings
FIG. 1 is a schematic diagram of a connection structure of a kitchen wastewater treatment apparatus;
FIG. 2 is a schematic diagram of the connection structure of the pretreatment module and the sludge treatment module;
FIG. 3 is a schematic diagram of a connection structure of a first processing assembly;
FIG. 4 is a schematic diagram of the connection structure of the second treatment assembly and the sludge treatment assembly;
FIG. 5 is a schematic diagram of the connection structure of the third treatment assembly and the sludge treatment assembly;
FIG. 6 is an enlarged view at A of FIG. 1;
in the figure, a 1-collecting tank, a 2-regulating tank, a 3-wastewater inlet pipe, a 4-anaerobic generator, a 5-ammonia nitrogen stripping tank, a 6-anaerobic baffle reactor, a 7-intermediate sedimentation tank, an 8-secondary sedimentation tank, a 9-dephosphorization reaction sedimentation tank, a 10-second biogas outlet pipe, a 11-wastewater outlet pipe, a 12-sludge tank, a 13-sludge dewatering machine, a 14-oil separation and slag removal integrated machine, a 15-first return pipe, a 16-first anoxic tank, a 17-first aerobic tank, a 18-second anoxic tank, a 19-second aerobic tank, a 20-second return pipe and a 21-first biogas outlet pipe.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-6, the present utility model provides a technical solution:
the kitchen wastewater treatment device comprises a pretreatment assembly, a first treatment assembly, a second treatment assembly and a third treatment assembly which are sequentially communicated; the pretreatment component comprises a collecting tank 1 and an adjusting tank 2 which are sequentially communicated, and the collecting tank 1 is communicated with a wastewater inlet pipe 3; the first treatment component comprises an anaerobic generator 4, an ammonia nitrogen stripping tank 5, an anaerobic baffle plate reactor 6 and an intermediate sedimentation tank 7 which are sequentially communicated, and the anaerobic generator 4 is communicated with the regulating tank 2; the second treatment assembly comprises a microorganism treatment component and a secondary sedimentation tank 8 which are sequentially communicated, and the middle sedimentation tank 7 is communicated with the microorganism treatment component; the third treatment component comprises a dephosphorization reaction sedimentation tank 9, and the secondary sedimentation tank 8 is communicated with a wastewater outlet pipe 11 through the dephosphorization reaction sedimentation tank 9.
The pretreatment assembly, the first treatment assembly, the second treatment assembly and the third treatment assembly are all in the prior art, the pretreatment assembly pretreats wastewater to be treated, and the collecting tank 1 is responsible for collecting and storing wastewater from the wastewater inlet pipe 3; the regulating tank 2 carries out preliminary sedimentation and separation on the wastewater, has the function of regulating water quality and water quantity, and the regulating tank 2 balances the water quality, is beneficial to the next procedure and ensures uniform water outlet; the first treatment assembly is mainly used for treating ammonia nitrogen in the wastewater, the wastewater is lifted and introduced into the anaerobic generator 4 by the regulating tank 2 through the lifting pump, organic matters in the wastewater are decomposed under the action of anaerobic microorganisms in the anaerobic generator 4, protein matters are converted into ammonia nitrogen, COD (chemical oxygen demand) in the wastewater is reduced, biogas is generated, the wastewater in the anaerobic generator 4 flows into the ammonia nitrogen stripping tank 5 after being treated, and the ammonia nitrogen concentration in the wastewater is overhigh and the biochemical efficiency is reduced due to the fact that the ammonia nitrogen concentration in the wastewater is overhigh after the protein matters in the wastewater are converted into ammonia nitrogen by the anaerobic generator 4, so that the ammonia nitrogen stripping tank 5 blows off the ammonia nitrogen in the wastewater, the ammonia nitrogen concentration is reduced, and a guarantee is provided for the follow-up wastewater treatment; the wastewater with the reduced ammonia nitrogen concentration flows into an anaerobic baffle reactor 6 from an ammonia nitrogen stripping tank 5, organic matters in the wastewater are continuously separated under the action of anaerobic microorganisms, and COD (chemical oxygen demand) in the wastewater is reduced again and methane is generated; wastewater treated by the anaerobic baffle reactor 6 flows into the middle sedimentation tank 7 from the top of the middle sedimentation tank 7, mud-water separation is carried out under the action of gravity, anaerobic activated sludge at the bottom of the middle sedimentation tank 7 flows back to the anaerobic baffle reactor 6, and wastewater at the upper part of the middle sedimentation tank 7 flows into the second treatment component; the second treatment component continuously treats ammonia nitrogen in the wastewater, the wastewater in the middle sedimentation tank 7 flows into the microorganism treatment component, and under the action of the microorganism treatment component, on one hand, COD (chemical oxygen demand) in the wastewater is reduced, nitrifying bacteria in the microorganism treatment component converts the ammonia nitrogen into nitrate nitrogen, and on the other hand, denitrification continuously occurs, so that the ammonia nitrogen and the total nitrogen concentration in the wastewater are sufficiently reduced; the wastewater passing through the microorganism treatment component flows into the secondary sedimentation tank 8 from the top of the secondary sedimentation tank 8, mud-water separation is carried out under the action of gravity, activated sludge in the bottom of the secondary sedimentation tank 8 continuously flows back to the microorganism treatment component for treatment, and clear water at the upper part of the secondary sedimentation tank 8 flows into the third treatment component; the third treatment component is used for reducing total phosphorus, COD (chemical oxygen demand), SS (solid suspended matter concentration) and chromaticity in the wastewater, clear water at the upper part in the secondary sedimentation tank 8 flows into the dephosphorization reaction sedimentation tank 9, ferrous sulfate, polyaluminum chloride and polyacrylamide are sequentially added into the dephosphorization reaction sedimentation tank 9, so that phosphate and ferrous ions in the wastewater generate sedimentation and generate flocculation reaction, and the total phosphorus, COD (chemical oxygen demand), SS (solid suspended matter concentration) and chromaticity in the wastewater are reduced; the wastewater treated by the dephosphorization reaction sedimentation tank 9 flows into a disinfection tank, is disinfected by adding disinfectant, and is discharged after reaching the standard.
In some embodiments, the device also comprises a sludge treatment assembly, wherein the sludge treatment assembly comprises a sludge tank 12, the bottom of the secondary sedimentation tank 8 and the bottom of the dephosphorization reaction sedimentation tank 9 are communicated with the sludge tank 12, and the middle part of the sludge tank 12 is communicated with the regulating tank 2. The sludge treatment assembly further comprises a sludge dehydrator 13, one end of the sludge dehydrator 13 is communicated with the sludge tank 12, and the other end of the sludge dehydrator 13 is communicated with the regulating tank 2.
Wherein, the sludge treatment part is prior art, dephosphorization reaction sedimentation tank 9 is with waste water decomposition for mud and wait the disinfection liquid, and mud pond 12 is used for collecting the mud from in two sedimentation tanks 8 and the dephosphorization reaction sedimentation tank 9, and mud water separation takes place for mud, and the clear solution at top flows back to equalizing basin 2 under the action of gravity, and the mud of bottom enters into in the sludge dewaterer 13 under the action of pneumatic diaphragm pump, and sludge dewaterer 13 is plate frame filter press, and plate frame filter press carries out solid-liquid separation to mud, and the liquid that wherein separates flows back to equalizing basin 2 in, and the solid that separates is discharged automatically.
In some embodiments, the pretreatment assembly further comprises an oil separation and slag removal integrated machine 14, the collection tank 1 is communicated with the regulating tank 2 through the oil separation and slag removal integrated machine 14, and the bottom of the oil separation and slag removal integrated machine 14 is communicated with the sludge tank 12.
After the wastewater stays in the collecting tank 1 for a short time, the wastewater enters an oil separation and slag removal integrated machine 14 through a liquid level controller automatically controlling a lifting pump, the oil separation and slag removal integrated machine 14 separates oil substances and solid substances in the wastewater, the oil substances positioned at the top of the oil separation and slag removal integrated machine 14 flow into an oil storage barrel for recovery treatment, the wastewater positioned in the middle of the oil separation and slag removal integrated machine 14 flows into a regulating tank 2, and the solid substances positioned at the bottom of the oil separation and slag removal integrated machine flow into a sludge tank 12 for further treatment; the oil separation and slag removal integrated machine 14 can effectively reduce oil and solid matters in wastewater, prevent subsequent wastewater treatment equipment from being blocked, reduce the influence of the oil and the solid matters on subsequent biochemical systems, and carry out salting-out on protein matters to reduce the concentration of the protein matters in the wastewater.
In some embodiments, a first return conduit 15 is provided between the bottom of the intermediate sedimentation tank 7 and the bottom of the anaerobic baffled reactor 6.
The first return pipe 15 is in the prior art, sludge at the bottom of the intermediate sedimentation tank 7 is transferred into the anaerobic baffle reactor 6 through the first return pipe 15, and the anaerobic baffle reactor 6 further processes the sludge from the intermediate sedimentation tank 7, so that pollutants in the sludge are reduced.
In some embodiments, the microbial treatment means comprises a first anoxic aerobic tank and a second anoxic aerobic tank in sequential communication. The first anoxic-aerobic tank comprises a first anoxic tank 16 and a first aerobic tank 17 which are sequentially communicated, the second anoxic-aerobic tank comprises a second anoxic tank 18 and a second aerobic tank 19 which are sequentially communicated, the first anoxic tank 16 is communicated with the middle sedimentation tank 7, and the second aerobic tank 19 is communicated with the secondary sedimentation tank 8. A second return pipe 20 is arranged between the secondary sedimentation tank 8 and the first anoxic tank 16.
The waste water converts nitrate nitrogen into nitrogen under the action of denitrifying bacteria in the first anoxic tank 16, the total nitrogen concentration in the waste water is reduced, meanwhile, the concentration of COD (chemical oxygen demand) in the waste water is reduced under the action of the first anoxic tank 16, the waste water treated by the first anoxic tank 16 flows into the first aerobic tank 17, the COD (chemical oxygen demand) in the waste water is reduced under the action of aerobic microorganisms, ammonia nitrogen is converted into nitrate nitrogen by nitrifying bacteria, the second anoxic tank 18 acts the same as the first anoxic tank 16, the waste water treated by the second anoxic tank 18 flows into the second aerobic tank 19, on one hand, the COD (chemical oxygen demand) in the waste water is reduced, the ammonia nitrogen is converted into nitrate nitrogen by nitrifying bacteria, and on the other hand, the waste water flows back to the first anoxic tank 16 through an aerobic tank reflux pump and a second reflux pipe 20 to perform denitrification reaction, and the sludge from the second aerobic tank 19 flows into the sludge tank 12 for further treatment; the two-stage anoxic and aerobic tanks can effectively reduce the ammonia nitrogen concentration in the wastewater.
In some embodiments, a first biogas outlet pipe 21 is arranged at the top of the anaerobic generator 4, and a second biogas outlet pipe 10 is arranged at the top of the anaerobic baffle reactor 6.
Wherein, the anaerobic generator 4 and the anaerobic baffle reactor 6 both produce biogas after treating wastewater, the biogas is discharged through the first biogas outlet pipe 21 and the second biogas outlet pipe 10, and enters a biogas membrane for storage after dehydration and desulfurization treatment for power generation.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (9)
1. Kitchen waste water treatment device, its characterized in that: the device comprises a pretreatment assembly, a first treatment assembly, a second treatment assembly and a third treatment assembly which are sequentially communicated;
the pretreatment assembly comprises a collecting tank (1) and an adjusting tank (2) which are sequentially communicated, wherein the collecting tank (1) is communicated with a wastewater inlet pipe (3);
the first treatment assembly comprises an anaerobic generator (4), an ammonia nitrogen stripping tank (5), an anaerobic baffle plate reactor (6) and an intermediate sedimentation tank (7) which are sequentially communicated, and the anaerobic generator (4) is communicated with the regulating tank (2);
the second treatment assembly comprises a microorganism treatment component and a secondary sedimentation tank (8) which are sequentially communicated, and the middle sedimentation tank (7) is communicated with the microorganism treatment component;
the third treatment assembly comprises a dephosphorization reaction sedimentation tank (9), and the secondary sedimentation tank (8) is communicated with the wastewater outlet pipe (11) through the dephosphorization reaction sedimentation tank (9).
2. A kitchen waste water treatment apparatus according to claim 1, wherein: still include sludge treatment assembly, sludge treatment assembly includes sludge impoundment (12), the bottom of secondary sedimentation tank (8) with the bottom of dephosphorization reaction sedimentation tank (9) all with sludge impoundment (12) intercommunication, the middle part of sludge impoundment (12) with equalizing basin (2) intercommunication.
3. A kitchen waste water treatment apparatus according to claim 2, wherein: the sludge treatment assembly further comprises a sludge dehydrator (13), one end of the sludge dehydrator (13) is communicated with the sludge tank (12), and the other end of the sludge dehydrator (13) is communicated with the regulating tank (2).
4. A kitchen waste water treatment apparatus according to claim 3, wherein: the pretreatment assembly further comprises an oil separation and slag removal integrated machine (14), wherein the collecting tank (1) is communicated with the regulating tank (2) through the oil separation and slag removal integrated machine (14), and the bottom of the oil separation and slag removal integrated machine (14) is communicated with the sludge tank (12).
5. Kitchen wastewater treatment plant according to any one of claims 1-4, characterized in that: a first return pipe (15) is arranged between the bottom of the intermediate sedimentation tank (7) and the bottom of the anaerobic baffle reactor (6).
6. Kitchen wastewater treatment plant according to any one of claims 1-4, characterized in that: the microorganism treatment component comprises a first anoxic-aerobic tank and a second anoxic-aerobic tank which are sequentially communicated.
7. A kitchen waste water treatment apparatus according to claim 6, wherein: the first anoxic-aerobic tank comprises a first anoxic tank (16) and a first aerobic tank (17) which are sequentially communicated, the second anoxic-aerobic tank comprises a second anoxic tank (18) and a second aerobic tank (19) which are sequentially communicated, the first anoxic tank (16) is communicated with the middle sedimentation tank (7), and the second aerobic tank (19) is communicated with the secondary sedimentation tank (8).
8. A kitchen waste water treatment apparatus according to claim 7, wherein: a second return pipe (20) is arranged between the secondary sedimentation tank (8) and the first anoxic tank (16).
9. A kitchen waste water treatment apparatus according to claim 8, wherein: the top of the anaerobic generator (4) is provided with a first biogas outlet pipe (21), and the top of the anaerobic baffle reactor (6) is provided with a second biogas outlet pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484532.8U CN220166012U (en) | 2023-06-12 | 2023-06-12 | Kitchen wastewater treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484532.8U CN220166012U (en) | 2023-06-12 | 2023-06-12 | Kitchen wastewater treatment device |
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| Publication Number | Publication Date |
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| CN220166012U true CN220166012U (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321484532.8U Active CN220166012U (en) | 2023-06-12 | 2023-06-12 | Kitchen wastewater treatment device |
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| CN (1) | CN220166012U (en) |
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