CN205061680U - Sewage treatment system of mud zero release - Google Patents
Sewage treatment system of mud zero release Download PDFInfo
- Publication number
- CN205061680U CN205061680U CN201520678953.3U CN201520678953U CN205061680U CN 205061680 U CN205061680 U CN 205061680U CN 201520678953 U CN201520678953 U CN 201520678953U CN 205061680 U CN205061680 U CN 205061680U
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- CN
- China
- Prior art keywords
- sewage treatment
- film separating
- aeration
- zero discharge
- separating system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Separation Using Semi-Permeable Membranes (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses a sewage treatment system of mud zero release, including pretreatment systems and the membrane bioreaction system who is used for getting rid of the large granule solids, membrane bioreaction system includes reaction vessel, membrane separation system, water production system and aeration systems, the sewage treatment method that this sewage treatment system of mud zero release used includes following technology step: make membrane separation system realm dissolved oxygen concentration for being less than 2mgL through aeration control, other regional dissolved oxygen concentrations are for being less than 1mgL. The utility model also discloses an one the utility model discloses a sewage treatment system of mud zero release cultivates and to tame out the microorganism system that includes the silicate bacteria that can get rid of multiple pollutant simultaneously, and wherein the main component of inorganic silt be silica, silicate bacteria quick enrichment growth in the system in the reaction zone, and messenger silica turns into soluble silicate ion, and silicate ion permeable membrane separation system is along with a water is discharged together to reach the effect of inorganic silt degradation.
Description
Technical field
The utility model relates to sewage treatment area, particularly relates to a kind of sewage water treatment method and system of sludge zero discharge.
Background technology
Tradition removes the method for silt mainly by gravity settling separation, and gravity settling relies on silt self gravitation to realize being separated.Inorganic silt is after pretreatment unit process, although oarse-grained material has been removed, is still mingled with small-particle silt in sewage.Small-particle silt, along with after sewage enters into reactive system, as processed not in time, can cause filtering system dirty stifled, affecting treatment effect.
Publication number is that the utility model patent of CN101885537 discloses the low sewage treatment process of a kind of sludge yield, this sewage treatment process is by optimizing aeration intensity, controlling activated sludge concentration, make mud be in low organic loading running status, reduce sludge yield.But the method just reducing organic sludge output that this patent proposes, and the sewage water treatment method of the inorganic sludge yield of unexposed reduction.
Utility model content
The technical problem that the utility model solves is to provide a kind of sewage water treatment method and system of sludge zero discharge.
The utility model solves the technical scheme that its technical problem adopts:
A sewage water treatment method for sludge zero discharge, the method, based on membrane bioreactor, comprises following processing step: make film separating system region soluble oxygen concn be that other region soluble oxygen concns are lower than 1mg/L lower than 2mg/L by aeration control.
The sewage water treatment method of described sludge zero discharge can cultivate the microorganism system of taming out and comprising silicate bacteria in reaction vessel.
The utility model also provides a kind of Sewage treatment systems of sludge zero discharge, comprise the pretreatment system for removing macrobead solids and membrane bio-reaction system, described membrane bio-reaction system comprises reaction vessel, film separating system, water production system and aerating system, described film separating system is placed in described reaction vessel, described water production system is communicated with the filtrate for extracting out in film separating system with described film separating system, and described aerating system is used for described reaction vessel and described film separating system aeration; Described aerating system is configured to make film separating system region soluble oxygen concn be that other region soluble oxygen concns are lower than 1mg/L lower than 2mg/L.
Described film separating system selects microfiltration membrane or ultra-filtration membrane.
Described aerating system uses micro-pore aeration or boring aeration or the two to combine.
Described aerating system is by realizing washing away described film separating system by aeration rate integrated distribution in film separating system region.
Described pretreatment system is sewage treatment grille.
Compared with prior art, the Sewage treatment systems of sludge zero discharge of the present utility model is cultivated and is tamed out the microorganism system including silicate bacteria simultaneously can removing multiple pollutant, and in inorganic silt and sewage, organic sludge is broken down into gas and soluble substance gradually in microorganism cells self-reproduction, metabolic processes; Wherein the main component of inorganic silt is silicon-dioxide, silicate bacteria fast enriching growth in systems in which in reaction zone, make silicon-dioxide be converted into the silicate ion of solubility, silicate ion can pass through film separating system, along with water outlet is discharged together, thus reach the effect of inorganic silt degraded; The sewage water treatment method of sludge zero discharge of the present utility model and system can combinationally use with other biochemical processing process.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Sewage treatment systems of sludge zero discharge of the present utility model;
Fig. 2 is the structural representation that the Sewage treatment systems aeration of the utility model sludge zero discharge washes away.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
The Sewage treatment systems of sludge zero discharge of the present utility model comprises pretreatment system for removing macrobead solids and membrane bio-reaction system.The sewage treatment grille that described pretreatment system selects prior art usual, can also select other pretreatment system, this pretreatment system does not illustrate in the drawings.Described membrane bio-reaction system as shown in Figure 1, comprises film separating system 1, reaction tank 2, gas blower 3, aerated conduit 4, produces water pump 5, clean water basin 6 and pipeline.Described film separating system 1 is ultra-filtration membrane, described film separating system 1 is placed in described retort 2, described product water pump 5 is communicated with for filtrate is evacuated to clean water basin 6 by pipeline with described film separating system 1, described gas blower 3 to described reaction vessel and described film separating system aeration by aerated conduit 4, is carried out aeration to described film separating system 1 while making to produce dissolved oxygen concentration gradient in described reaction tank 2 and washes away.
Understandable, the membrane module that described film separating system 1 can select other prior aries such as microfiltration membrane usual; Described reaction tank 2 can also adopt the reaction vessel of the prior aries such as retort; The mode aeration that the aerating system that described gas blower 3 and aerated conduit 4 form preferably uses micro-pore aeration to be combined with boring aeration, described aerating system can also use other aerating systems of prior art; The water production system of described product water pump 5 and pipeline composition can also select other water production systems of the prior aries such as gravity water production system.
Under the interception of described pretreatment system, oarse-grained solids is removed, and the inorganic silt of small-particle and sewage enter membrane bio-reaction system simultaneously.In the inorganic silt of small-particle and sewage, organic sludge is tackled in reaction tank 2 by film separating system 1, the mode aeration that micro-pore aeration is combined with boring aeration is adopted in reaction tank 2, aerated space is near membrane module, membrane module dissolved oxygen concentration is 1-2mg/L, other region soluble oxygen ranges are 0.5-1mg/L, and while aeration, the air-water mixture of ejection can wash away membrane module.
Can cultivate in reaction tank 2 under this aeration condition and tame out the microorganism system comprising silicate bacteria, in inorganic silt and sewage, organic sludge is broken down into gas and soluble substance gradually in microorganism cells self-reproduction, metabolic processes; Wherein the main component of inorganic silt is silicon-dioxide, silicate bacteria fast enriching growth in systems in which in reaction zone, make silicon-dioxide be converted into the silicate ion of solubility, silicate ion can pass through film separating system, along with water outlet is discharged together, thus reach the effect of inorganic silt degraded.Understandable, described silicate bacteria can also be added in described reaction vessel 2 by the mode of inoculation.
Sewage water treatment method inorganic silt and organic sludge when disposing of sewage of sludge zero discharge of the present utility model are all degraded, and truly can realize sludge zero discharge, and water outlet simultaneously reaches " urban sewage reutilization miscellaneous water water quality " standard.The sewage water treatment method of sludge zero discharge of the present utility model both can be applied separately, as processed conventional sanitary sewage; Also can combinationally use with other biochemical processing process, as process high concentrated organic wastewater.The sewage water treatment method of sludge zero discharge of the present utility model is when disposing of sewage, if anthropogenic discharge's mud, can not affect wastewater treatment efficiency.
Claims (5)
1. the Sewage treatment systems of a sludge zero discharge, comprise the preposition pretreatment system for removing macrobead solids, it is characterized in that: also comprise membrane bio-reaction system, described membrane bio-reaction system comprises reaction vessel (2), film separating system (1), water production system (5) and aerating system (4), described film separating system (1) is placed in described reaction vessel (2), described water production system (5) is communicated with the filtrate for extracting out in film separating system (1) with described film separating system (1), described aerating system (4) is for described reaction vessel (2) and described film separating system (1) aeration, described aerating system (4) is configured to make film separating system region soluble oxygen concn be that other region soluble oxygen concns are lower than 1mg/L lower than 2mg/L.
2. the Sewage treatment systems of sludge zero discharge according to claim 1, is characterized in that: described film separating system (1) selects microfiltration membrane or ultra-filtration membrane.
3. the Sewage treatment systems of sludge zero discharge according to claim 1, is characterized in that: described aerating system (4) uses micro-pore aeration or boring aeration or the two to combine.
4. the Sewage treatment systems of sludge zero discharge according to claim 3, is characterized in that: described aerating system (4) is by realizing washing away described film separating system (1) by aeration rate integrated distribution in film separating system region.
5. the Sewage treatment systems of sludge zero discharge according to claim 1, is characterized in that: described pretreatment system is sewage treatment grille.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678953.3U CN205061680U (en) | 2015-09-01 | 2015-09-01 | Sewage treatment system of mud zero release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678953.3U CN205061680U (en) | 2015-09-01 | 2015-09-01 | Sewage treatment system of mud zero release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205061680U true CN205061680U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520678953.3U Active CN205061680U (en) | 2015-09-01 | 2015-09-01 | Sewage treatment system of mud zero release |
Country Status (1)
| Country | Link |
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| CN (1) | CN205061680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923926A (en) * | 2016-06-28 | 2016-09-07 | 尚川（北京）水务有限公司 | Black and odorous sewage treatment system and black and odorous sewage treatment technology |
| WO2017035891A1 (en) * | 2015-09-01 | 2017-03-09 | Jiangxi Jdl Environmental Protection Co., Ltd. | Method and system of wastewater treatment with zero discharge of sludge |
-
2015
- 2015-09-01 CN CN201520678953.3U patent/CN205061680U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017035891A1 (en) * | 2015-09-01 | 2017-03-09 | Jiangxi Jdl Environmental Protection Co., Ltd. | Method and system of wastewater treatment with zero discharge of sludge |
| CN105923926A (en) * | 2016-06-28 | 2016-09-07 | 尚川（北京）水务有限公司 | Black and odorous sewage treatment system and black and odorous sewage treatment technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liao Zhimin Inventor after: Zhou Tao Inventor before: Liao Zhiming Inventor before: Zhou Tao |
|
| COR | Change of bibliographic data |