CN108675560A - A kind of domestic sewage processing system - Google Patents
A kind of domestic sewage processing system Download PDFInfo
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- CN108675560A CN108675560A CN201810592375.XA CN201810592375A CN108675560A CN 108675560 A CN108675560 A CN 108675560A CN 201810592375 A CN201810592375 A CN 201810592375A CN 108675560 A CN108675560 A CN 108675560A
- Authority
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- Prior art keywords
- tank
- pond
- processing system
- sewage processing
- domestic sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 29
- 239000010802 sludge Substances 0.000 claims abstract description 26
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 230000000249 desinfective effect Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 5
- 238000011084 recovery Methods 0.000 claims abstract description 5
- 230000003197 catalytic effect Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000007146 photocatalysis Methods 0.000 claims description 4
- 230000001699 photocatalysis Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001717 pathogenic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of domestic sewage processing systems, it include the collecting-tank being sequentially communicated by conduit, regulating reservoir, primary sedimentation tank, biofilter, secondary settling tank, dephosphorization pond, disinfecting tank and recovery pond, it is both provided with flocculant delivery device in the primary sedimentation tank and the secondary settling tank, the primary sedimentation tank and the secondary settling tank bottom are respectively connected with sludge treatment equipment, the bottom of the biofilter is provided with aeration tube, the import of the aeration tube is connected with Aeration fan, it is provided with Dephosphorising agent delivery device in the dephosphorization pond, ozonateur is set in the disinfecting tank；Advantage is stable and reliable operation and good sewage processing effect.
Description
Technical field
The present invention relates to a kind of sewage disposal system more particularly to a kind of domestic sewage processing systems.
Background technology
With the development of society, sanitary sewage is on the increase, people’s lives quality is seriously affected, therefore dirty
Water process has become must solve the problems, such as at present.But in specific implementation process, traditional sewage disposal system has
Problems with：1, through treatment process, treated that sewage the content of nitrogen and phosphorous is still higher, and town sewage discharge standard is not achieved in effect
2, since when artificial operation is abnormal or equipment generates leakage, the water quality of sewage will drastically deteriorate, and water also greatly increases,
Often exceed the normal processing power of sewage disposal device.Therefore, in view of the above-mentioned problems, it is necessary to propose further to solve
Scheme.
Invention content
The main purpose of the present invention is to provide a kind of stable and high treating effect domestic sewage processing system, solutions
Technical problem present in certainly above-mentioned background.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of domestic sewage processing system, including the collecting-tank, regulating reservoir, primary sedimentation tank, biofilter, two heavy that is sequentially communicated
It is both provided with flocculant in pond, dephosphorization pond, disinfecting tank and recovery pond, the primary sedimentation tank and the secondary settling tank and launches dress
It sets, the primary sedimentation tank and the secondary settling tank bottom are respectively connected with sludge treatment equipment, and the bottom of the biofilter is set
It is equipped with aeration tube, the import of the aeration tube is connected with Aeration fan, and Dephosphorising agent is provided in the dephosphorization pond and launches dress
It sets, ozonateur is set in the disinfecting tank.
The sludge treatment equipment includes sludge reception tank, filter press and for by the dirt in the sludge reception tank
Mud is transported to the sludge screw pump in the plate and frame filter press, and the primary sedimentation tank and the secondary settling tank are both provided with blowdown
Mouthful, the sludge reception tank is connected to the sewage draining exit, and the water outlet of the filter press connects with the biofilter
It is logical.In the structure, using sludge screw pump, sludge can be efficiently conveyed, press filtration function, which is realized, to be separated by solid-liquid separation, treated water energy
Biofilter is enough flowed back into, waste is reduced.
It is further improved, the flocculant delivery device is the prior art, and main function is to primary sedimentation tank and secondary settling tank
Flocculant is put into, flocculant is one or two kinds of and above mixture in aluminium chloride, ferric sulfate or aluminium polychloride.
It is further improved, the Dephosphorising agent delivery device is the prior art, and main function is to put into dephosphorization to dephosphorization pond
Agent, Dephosphorising agent are one or two kinds of and above mixture in the composition of calcium oxide, iron oxide and calcirm-fluoride.
It is further improved, the ozonateur is the prior art, and main function is can to generate ozone gas, is killed
Pathogenic microbes after processing in sewage.
It is further improved, the filter press is chamber-type press filter, belt filter press, membrane pressure filter and plate compression
One kind in machine.
It is further improved, the alternate internal of the primary sedimentation tank is provided with multiple cowling panels.In the structure, multiple cowling panels
Setting when water can be made to pass through, form turbulent flow, sedimentation effect is good.
It is further improved, electric heating tube is both provided in the dephosphorization pond.In the structure, the setting of electric heating tube improves
Treatment effect.
It is further improved, air supporting nano-photo catalytic pond, the gas is provided between the primary sedimentation tank and biofilter
Floating nano-photo catalytic pond includes air supporting solid-liquid displacement zone and nano-photo catalytic area, and the nano-photo catalytic area is provided with nanometer two
Titanium oxide photochemical catalyst fixed bed is provided with ultraviolet source on the nano titanium dioxide photocatalysis fixed bed.It is dirty in the structure
Water not only can effectively reduce the content of organic pollution and ammonia nitrogen by aoxidizing, but also can remove and hold after the effect of photocatalysis fixed bed
Long property organic pollution.
Compared with the prior art, the advantages of the present invention are as follows：
By the setting of regulating reservoir, it is capable of providing the buffer capacity to sewage treatment load, prevents processing system load
Change dramatically；The setting of primary sedimentation tank can get off sludge settling, and wherein flocculant delivery device makes colloid in sewage and thin
Small suspended matter is gathered into the floccule body with separable characteristic, is convenient for subsequent processing；The setting of sludge treatment equipment being capable of solid-liquid
Separation；The setting of biofilter can utilize the effect of aerobic microbiological to remove organic matter, energy conservation and environmental protection；The setting energy of secondary settling tank
The activated sludge that enough precipitation biofilter generates, makes the processed water in biofilter be precipitated again；The setting energy in dephosphorization pond
Enough remove the phosphorus composition in sewage；The setting of disinfecting tank can kill the pathogenic microbes in sewage after processing；This hair
Bright stable and reliable operation and good sewage processing effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of primary sedimentation tank in the present invention.
Specific implementation mode
To keep the purpose of the present invention and technical solution clearer, below in conjunction with the embodiment of the present invention to the skill of the present invention
Art scheme is clearly and completely described.
Embodiment one：As shown in Figure 1, a kind of domestic sewage processing system, includes the collecting-tank being sequentially communicated by conduit
1, regulating reservoir 2, primary sedimentation tank 3, biofilter 5, secondary settling tank 6, dephosphorization pond 7, disinfecting tank 8 and recovery pond 82, primary sedimentation tank 3 and two
It is provided with flocculant delivery device in heavy pond 6, primary sedimentation tank 3 and 6 bottom of secondary settling tank are respectively connected with sludge treatment equipment 9, biological filter
The bottom in pond 5 is provided with aeration tube 51, and the import of aeration tube 51 is connected with Aeration fan 52, Dephosphorising agent is provided in dephosphorization pond 7
Delivery device, disinfecting tank 8 is interior to be arranged ozonateur.
Embodiment two：As shown in Figure 1, a kind of domestic sewage processing system, includes the collecting-tank being sequentially communicated by conduit
1, regulating reservoir 2, primary sedimentation tank 3, biofilter 5, secondary settling tank 6, dephosphorization pond 7, disinfecting tank 8 and recovery pond 82, primary sedimentation tank 3 and two
It is provided with flocculant delivery device in heavy pond 6, primary sedimentation tank 3 and 6 bottom of secondary settling tank are respectively connected with sludge treatment equipment 9, biological filter
The bottom in pond 5 is provided with aeration tube 51, and the import of aeration tube 51 is connected with Aeration fan 52, Dephosphorising agent is provided in dephosphorization pond 7
Delivery device, disinfecting tank 8 is interior to be arranged ozonateur.
In the present embodiment, flocculant delivery device is the prior art, and main function is thrown to primary sedimentation tank 3 and secondary settling tank 6
Enter flocculant, flocculant is one or two kinds of and above mixture in aluminium chloride, ferric sulfate or aluminium polychloride.
In the present embodiment, Dephosphorising agent delivery device is the prior art, and main function is to put into Dephosphorising agent to dephosphorization pond 7,
Dephosphorising agent is one or two kinds of and above mixture in the composition of calcium oxide, iron oxide and calcirm-fluoride.
In the present embodiment, ozonateur is the prior art, and main function is can to generate ozone gas, kill processing
Pathogenic microbes in sewage afterwards.
In the present embodiment, each sludge treatment equipment 9 is including sludge reception tank 91, filter press 92 and for receiving sludge
Sludge in pond 91 is transported to the sludge screw pump 93 in filter press 92, and secondary settling tank 6 and primary sedimentation tank 3 are both provided with sewage draining exit, dirty
Mud reception tank 91 is connected to sewage draining exit, and the water outlet of filter press 92 is connected to biofilter 5.
In the present embodiment, filter press 92 is plate and frame filter press.
In the present embodiment, the alternate internal of primary sedimentation tank 3 is provided with multiple cowling panels 31.
In the present embodiment, electric heating tube 62 is both provided in dephosphorization pond 7.
In the present embodiment, air supporting nano-photo catalytic pond 4 is provided between primary sedimentation tank 3 and biofilter 5, air supporting nanometer light is urged
It includes air supporting solid-liquid displacement zone 41 and nano-photo catalytic area 42 to change pond 4, and nano-photo catalytic area 42 is provided with nano-titanium dioxide light
It is catalyzed fixed bed 43, the top of nano titanium dioxide photocatalysis fixed bed 43 is provided with ultraviolet source 44.
Do not done in the present invention illustrate be the prior art or can be realized by the prior art, and the present invention
Described in specific implementation case be only the present invention preferable case study on implementation, practical range not for the purpose of limiting the invention.
That is equivalent changes and modifications made by all contents according to scope of the present invention patent all should be used as the technology scope of the present invention.
Claims (8)
1. a kind of domestic sewage processing system, it is characterised in that：Include the collecting-tank being sequentially communicated by conduit, regulating reservoir, just
Heavy pond, biofilter, secondary settling tank, dephosphorization pond, disinfecting tank and recovery pond, in the primary sedimentation tank and the secondary settling tank
It is provided with flocculant delivery device, the primary sedimentation tank and the secondary settling tank bottom are respectively connected with sludge treatment equipment, described
The bottom of biofilter be provided with aeration tube, the import of the aeration tube is connected with Aeration fan, in the dephosphorization pond
It is provided with Dephosphorising agent delivery device, ozonateur is set in the disinfecting tank.
2. a kind of domestic sewage processing system according to claim 1, it is characterised in that：The sludge treatment equipment packet
Include sludge reception tank, filter press and the sludge for being transported to the sludge in the sludge reception tank in the filter press
Screw pump, the secondary settling tank and the primary sedimentation tank are both provided with sewage draining exit, the sludge reception tank and the blowdown
Mouth connection, the water outlet of the filter press are connected to the biofilter.
3. a kind of domestic sewage processing system according to claim 2, it is characterised in that：The filter press is van-type pressure
One kind in filter, belt filter press, membrane pressure filter and plate and frame filter press.
4. a kind of domestic sewage processing system according to claim 3, it is characterised in that：It hands over the inside of the primary sedimentation tank
Mistake is provided with multiple cowling panels.
5. a kind of domestic sewage processing system according to claim 4, it is characterised in that：It is respectively provided in the dephosphorization pond
There is electric heating tube.
6. a kind of domestic sewage processing system according to claim 5, it is characterised in that：The primary sedimentation tank and biological filter
Air supporting nano-photo catalytic pond is provided between pond, the air supporting nano-photo catalytic pond includes air supporting solid-liquid displacement zone and nanometer light
Catalytic domain, the nano-photo catalytic area are provided with nano titanium dioxide photocatalysis fixed bed, the nano-titanium dioxide light
It is provided with ultraviolet source above catalysis fixed bed.
7. a kind of domestic sewage processing system according to claim 6, it is characterised in that：By flocculant delivery device to
Primary sedimentation tank and secondary settling tank put into flocculant, flocculant be one or two kinds of in aluminium chloride, ferric sulfate or aluminium polychloride and
The above mixture.
8. a kind of domestic sewage processing system according to claim 6, it is characterised in that：By Dephosphorising agent delivery device to
Dephosphorization pond puts into Dephosphorising agent, and Dephosphorising agent is one or two kinds of or more in the composition of calcium oxide, iron oxide and calcirm-fluoride
Mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592375.XA CN108675560A (en) | 2018-06-11 | 2018-06-11 | A kind of domestic sewage processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592375.XA CN108675560A (en) | 2018-06-11 | 2018-06-11 | A kind of domestic sewage processing system |
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| Publication Number | Publication Date |
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| CN108675560A true CN108675560A (en) | 2018-10-19 |
Family
ID=63810659
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810592375.XA Pending CN108675560A (en) | 2018-06-11 | 2018-06-11 | A kind of domestic sewage processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354343A (en) * | 2018-12-18 | 2019-02-19 | 青岛沐邦环境科技有限公司 | Sewage treatment system and sewage treatment method by utilizing sludge fermentation of primary sedimentation tank |
| CN110395844A (en) * | 2019-07-16 | 2019-11-01 | 笳音环保科技(上海)有限公司 | A kind of sewage treatment apparatus for toilet |
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|---|---|---|---|---|
| CN109354343A (en) * | 2018-12-18 | 2019-02-19 | 青岛沐邦环境科技有限公司 | Sewage treatment system and sewage treatment method by utilizing sludge fermentation of primary sedimentation tank |
| CN109354343B (en) * | 2018-12-18 | 2021-07-06 | 青岛沐邦环境科技有限公司 | Sewage treatment system and sewage treatment method by utilizing sludge fermentation of primary sedimentation tank |
| CN110395844A (en) * | 2019-07-16 | 2019-11-01 | 笳音环保科技(上海)有限公司 | A kind of sewage treatment apparatus for toilet |
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Application publication date: 20181019 |