CN110627295A - Domestic sewage environmental protection processing system - Google Patents
Domestic sewage environmental protection processing system Download PDFInfo
- Publication number
- CN110627295A CN110627295A CN201810662269.4A CN201810662269A CN110627295A CN 110627295 A CN110627295 A CN 110627295A CN 201810662269 A CN201810662269 A CN 201810662269A CN 110627295 A CN110627295 A CN 110627295A
- Authority
- CN
- China
- Prior art keywords
- tank
- pond
- pipeline
- pump
- domestic sewage
- 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.)
- Pending
Links
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
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- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
-
- 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
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention provides an environment-friendly domestic sewage treatment system which comprises a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, an aerobic tank, a contact disinfection tank and a centrifugal separation tank which are sequentially arranged. The physical and chemical method and the biochemical method are combined to effectively treat the well wastewater, and indexes of the treated wastewater including COD, BOD, SS, ammonia nitrogen, total phosphorus, pH and the like all accord with the national third-level discharge standard (GB11607) for environmental protection discharge; high organic matter removing rate, stable system operation and energy saving. The indexes of the discharged wastewater are as follows: the Chemical Oxygen Demand (COD) is less than or equal to 100mg/L, and the removal rate is more than 95 percent; the Biochemical Oxygen Demand (BOD) is less than or equal to 65mg/L, and the removal rate is more than 98 percent; suspended matter (SS) is less than or equal to 45 mg/L; 2mg/L of total phosphorus (calculated as P); total nitrogen 20 mg/L; the pH is 6-9; the treated sewage can be used for greening irrigation.
Description
Technical Field
The invention belongs to the technical field of wastewater environment-friendly treatment, and particularly relates to a domestic sewage environment-friendly treatment system.
Background
The domestic sewage is sewage generated by resident living activities and mainly comprises toilet drainage, washing drainage, bath drainage and kitchen drainage, and the domestic sewage can be discharged after reaching the standard after being treated.
Disclosure of Invention
In order to solve the technical problem, the invention provides an environment-friendly domestic sewage treatment system, and treated wastewater can be discharged up to the standard.
In order to achieve the purpose, the technical scheme of the invention is as follows: an environment-friendly domestic sewage treatment system comprises a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, an aerobic tank, a contact disinfection tank and a centrifugal separation tank which are arranged in sequence;
the play water of just sinking the pond is connected to the contact oxidation pond through the pipeline to the pump, the play water of contact oxidation pond is connected to two heavy ponds through the pipeline to the pump, the play water of two heavy ponds is connected to good oxygen pond through the pipeline to the pump, the play water of good oxygen pond is connected to the contact disinfection pond through the pipeline to the pump, the play water of contact disinfection pond is connected to the centrifugal separation pond through the pipeline to the pump, the play water of centrifugal separation pond is connected to the play pond through the pipeline to the pump.
In a preferred embodiment of the present invention, the ratio of gas to water in the contact oxidation pond is 12: 1.
in a preferred embodiment of the present invention, the disinfectant added into the contact disinfection tank is liquid chlorine.
The domestic sewage environment-friendly treatment system has the beneficial effects that the physical and chemical method and the biochemical method are combined to effectively treat the domestic sewage, and indexes of the treated sewage including COD, BOD, SS, ammonia nitrogen, total phosphorus, pH and the like all accord with the national third-level discharge standard (GB11607) environment-friendly discharge; high organic matter removing rate, stable system operation and energy saving.
The indexes of the discharged wastewater are as follows:
the Chemical Oxygen Demand (COD) is less than or equal to 100mg/L, and the removal rate is more than 95 percent;
the Biochemical Oxygen Demand (BOD) is less than or equal to 65mg/L, and the removal rate is more than 98 percent;
suspended matter (SS) is less than or equal to 45 mg/L;
2mg/L of total phosphorus (calculated as P);
total nitrogen 20 mg/L;
the pH is 6-9;
the treated sewage can be used for greening irrigation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block flow diagram of a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1, the embodiment discloses an environment-friendly domestic sewage treatment system, which comprises a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, an aerobic tank, a contact disinfection tank and a centrifugal separation tank, which are arranged in sequence;
the play water of just sinking the pond is connected to the contact oxidation pond through the pipeline to the pump, the play water of contact oxidation pond is connected to two heavy ponds through the pipeline to the pump, the play water of two heavy ponds is connected to good oxygen pond through the pipeline to the pump, the play water of good oxygen pond is connected to the contact disinfection pond through the pipeline to the pump, the play water of contact disinfection pond is connected to the centrifugal separation pond through the pipeline to the pump, the play water of centrifugal separation pond is connected to the play pond through the pipeline to the pump.
Specifically, the gas-water ratio in the contact oxidation pond is 12: 1.
specifically, the disinfectant added into the contact disinfection tank is liquid chlorine.
According to the domestic sewage environment-friendly treatment system, the physical and chemical method and the biochemical method are combined to effectively treat the domestic sewage, and indexes of the treated sewage including COD, BOD, SS, ammonia nitrogen, total phosphorus, pH and the like all accord with the national three-level discharge standard (GB11607) environment-friendly discharge; high organic matter removing rate, stable system operation and energy saving.
The indexes of the discharged wastewater are as follows:
the Chemical Oxygen Demand (COD) is less than or equal to 100mg/L, and the removal rate is more than 95 percent;
the Biochemical Oxygen Demand (BOD) is less than or equal to 65mg/L, and the removal rate is more than 98 percent;
suspended matter (SS) is less than or equal to 45 mg/L;
2mg/L of total phosphorus (calculated as P);
total nitrogen 20 mg/L;
the pH is 6-9;
the treated sewage can be used for greening irrigation.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The utility model provides a domestic sewage environmental protection processing system which characterized in that: comprises a primary sedimentation tank, a contact oxidation tank, a secondary sedimentation tank, an aerobic tank, a contact disinfection tank and a centrifugal separation tank which are arranged in sequence;
the play water of just sinking the pond is connected to the contact oxidation pond through the pipeline to the pump, the play water of contact oxidation pond is connected to two heavy ponds through the pipeline to the pump, the play water of two heavy ponds is connected to good oxygen pond through the pipeline to the pump, the play water of good oxygen pond is connected to the contact disinfection pond through the pipeline to the pump, the play water of contact disinfection pond is connected to the centrifugal separation pond through the pipeline to the pump, the play water of centrifugal separation pond is connected to the play pond through the pipeline to the pump.
2. The domestic sewage environmental protection treatment system of claim 1, wherein: the gas-water ratio in the contact oxidation pond is 12: 1.
3. the domestic sewage environmental protection treatment system of claim 1, wherein: the disinfectant added into the contact disinfection tank is liquid chlorine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662269.4A CN110627295A (en) | 2018-06-25 | 2018-06-25 | Domestic sewage environmental protection processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662269.4A CN110627295A (en) | 2018-06-25 | 2018-06-25 | Domestic sewage environmental protection processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110627295A true CN110627295A (en) | 2019-12-31 |
Family
ID=68967997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810662269.4A Pending CN110627295A (en) | 2018-06-25 | 2018-06-25 | Domestic sewage environmental protection processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110627295A (en) |
-
2018
- 2018-06-25 CN CN201810662269.4A patent/CN110627295A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191231 |
|
| WD01 | Invention patent application deemed withdrawn after publication |