CN105800876A - Integral treatment device and treatment method for rural sewage - Google Patents
Integral treatment device and treatment method for rural sewage Download PDFInfo
- Publication number
- CN105800876A CN105800876A CN201610298684.7A CN201610298684A CN105800876A CN 105800876 A CN105800876 A CN 105800876A CN 201610298684 A CN201610298684 A CN 201610298684A CN 105800876 A CN105800876 A CN 105800876A
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- Prior art keywords
- pond
- anoxic pond
- mbr film
- film reaction
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005273 aeration Methods 0.000 claims abstract description 23
- 239000010802 sludge Substances 0.000 claims abstract description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 6
- 230000037452 priming Effects 0.000 claims description 28
- 239000012535 impurity Substances 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 7
- 239000013043 chemical agent Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 238000005842 biochemical reaction Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 244000005700 microbiome Species 0.000 claims description 3
- 230000020477 pH reduction Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 7
- 206010002660 Anoxia Diseases 0.000 abstract 5
- 241000976983 Anoxia Species 0.000 abstract 5
- 206010021143 Hypoxia Diseases 0.000 abstract 5
- 230000007953 anoxia Effects 0.000 abstract 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological 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
- C02F1/30—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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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
- Y02W10/20—Sludge processing
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)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses an integral treatment device and treatment method for rural sewage. The device comprises an anoxia pool, an MBR membrane reaction tank, a self-priming pump, an ultraviolet disinfection device, a clean-water reservoir and a sludge-tank, wherein a water outlet of the anoxia pool is communicated with a water inlet of the MBR membrane reaction tank; the position, close to the lower part, of the MBR membrane reaction tank is communicated with the position, close to the lower part, of the anoxia pool through a backflow pipe; the water outlet of the MBR membrane reaction tank is communicated with the self-priming pump; the water outlet of the self-priming pump is communicated with the ultraviolet disinfection device; the ultraviolet disinfection device is communicated with the clean-water reservoir; a sludge outlet of the MBR membrane reaction tank is communicated with the sludge-tank and the anoxia pool through a sludge pump respectively; the anoxia pool is connected with an intermittent aeration system; and the MBR membrane reaction tank is connected with a blast aeration system. The integral treatment device for the rural sewage is small in floor area and high in impact resistance; and the effluent quality can stably reach the standard.
Description
Technical field
The present invention relates to technical field of sewage, be specifically related to country sewage integrated treatment unit and processing method.
Background technology
Domestic sewage in rural areas generation amount is big, and sewage disposal small scale, pipe network flow process is short, the capacity of resisting impact load processing technique each several part is required significantly high, existing rural sewage treatment equipment is mainly used for reference and indiscriminately imitates the technology of big-and-middle-sized sewage disposal device, being used in rural area, it is common to there is floor space big, effluent quality is unstable, the defect of anti impulsion load ability.In the urgent need to developing wastewater treatment and reuse technology on a small scale for the water quality and quantity feature of country sewage.
Summary of the invention
Based on this, the present invention provides a kind of country sewage integrated treatment unit, and this plant area area ability little, shock-resistant is strong, effluent quality can stably reaching standard.
The present invention also provides for a kind of country sewage integral treatment method.
In order to realize the purpose of the present invention, the present invention by the following technical solutions:
Country sewage integrated treatment unit, comprising: anoxic pond, MBR film reaction pond, self priming pump, ultra violet sterilizer, clear water reserviors and sludge-tank, the outlet of described anoxic pond connects with the water inlet in described MBR film reaction pond, described MBR film reaction pond is connected by lower position with described anoxic pond by a return duct by lower position, the outlet in described MBR film reaction pond connects with described self priming pump, the outlet of described self priming pump connects with described ultra violet sterilizer, described ultra violet sterilizer connects with described clear water reserviors, the mud mouth in described MBR film reaction pond is respectively through a sludge pump and described sludge-tank, anoxic pond connects；Described anoxic pond is connected with an Intermittent Aeration System, and described MBR film reaction pond is connected with a blast aeration system.
Wherein in some embodiments, described anoxic pond has chemical agent and adds mouth.
The present invention also adopts the following technical scheme that country sewage integral treatment method, and it comprises the steps:
S1, offer sewage integrated treatment device, comprising: anoxic pond, MBR film reaction pond, self priming pump, ultra violet sterilizer, clear water reserviors and sludge-tank, the outlet of described anoxic pond connects with the water inlet in described MBR film reaction pond, the outlet in described MBR film reaction pond connects with described self priming pump, the outlet of described self priming pump connects with described ultra violet sterilizer, described ultra violet sterilizer connects with described clear water reserviors, and the mud mouth in described MBR film reaction pond connects with described sludge-tank, anoxic pond respectively through a sludge pump；Described anoxic pond is connected with an Intermittent Aeration System, and described MBR film reaction pond is connected with a blast aeration system；
S2, sewage enter in anoxic pond, and be hydrolyzed acidification under the intermittent aerating stirring condition of Intermittent Aeration System, the organic impurities in degradation of sewage；In anoxic pond, add chemical cooperated Dephosphorization reagent simultaneously, remove the phosphorus in sewage；
S3, sewage after anoxic pond processes enter MBR film reaction pond, by blast aeration system continuous aeration, carry out aerobic biochemical reaction, remove further the organic impurities in sewage；The mixed liquor part in MBR film reaction pond is back in anoxic pond, carries out denitrification process in the lump with the sewage in anoxic pond；The mud that MBR film reaction pond produces is back to anoxic pond in part through sludge pump, supplements microorganism for anoxic pond, and another part is back to sludge-tank by sludge pump；
S4, through MBR film reaction pond process after sewage enter self priming pump, self priming pump negative pressure-pumping carries out solid-liquid separation；
S5, self priming pump supernatant enter in ultra violet sterilizer and carry out disinfection, entrance clear water reserviors after sterilize；
Mud in S6, sludge-tank carries out aerobic sigestion process, and the supernatant of generation is back to anoxic pond circular treatment, and the mud of generation is regularly transported outward.
Wherein in some embodiments, after be hydrolyzed in described anoxic pond acidifying and denitrification process, organic impurities degraded 17%-25%.
Wherein in some embodiments, the phosphorus concentration in described clear water reserviors is lower than 0.5mg/L.
Country sewage integrated treatment unit of the present invention, eliminates traditional second pond, is formed by anoxic pond, MBR film reaction pond, self priming pump, ultra violet sterilizer, clear water reserviors and sludge-tank and is interconnected, compact overall structure, floor space is little, and surplus sludge volume is little, and shock-resistant ability is strong；Can removing phosphorus and hardly degraded organic substance, after testing, most organic impuritiess are completely degraded, and phosphorus concentration is lower than 0.5mg/L, and stable effluent quality is up to standard.
Accompanying drawing explanation
Fig. 1 is the structural representation of the country sewage integrated treatment unit of a preferred embodiment of the present invention；
Fig. 2 is the flow chart that country sewage integrated treatment unit described in Fig. 1 processes sewage.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives presently preferred embodiments of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiment described herein.On the contrary, the purpose providing these embodiments is to make the understanding to the disclosure more thorough comprehensively.
It should be noted that be referred to as " being fixed on " another element when element, it can directly on another element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology.The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention.
Refer to Fig. 1 and Fig. 2, country sewage integrated treatment unit 100 of the present invention, for processing the sewage of rural area discharge so that effluent quality meets discharge standard.This device includes anoxic pond 10, (MBR is the abbreviation of MembraneBio-Reactor in MBR film reaction pond 20, membrane bioreactor), self priming pump 30, ultra violet sterilizer 40, clear water reserviors 50 and sludge-tank 60, the outlet of anoxic pond 10 connects with the water inlet in MBR film reaction pond 20, MBR film reaction 20 pond is connected by lower position with anoxic pond 10 by a return duct by lower position, the outlet in MBR film reaction pond 20 connects with self priming pump 30, the outlet of self priming pump 30 connects with ultra violet sterilizer 40, ultra violet sterilizer 40 connects with clear water reserviors 50, the mud mouth in MBR film reaction pond 20 is respectively through a sludge pump and sludge-tank 60, anoxic pond 10 connects；Anoxic pond 10 is connected with an Intermittent Aeration System 12, and MBR film reaction pond 20 is connected with a blast aeration system 21.Anoxic pond has chemical agent and adds mouth.
The method utilizing above-mentioned country sewage integrated treatment unit 100 to process sewage, comprises the steps:
S1, offer sewage integrated treatment device, comprising: anoxic pond 10, MBR film reaction pond 20, self priming pump 30, ultra violet sterilizer 40, clear water reserviors 50 and sludge-tank 60, the outlet of anoxic pond 10 connects with the water inlet in MBR film reaction pond 20, MBR film reaction 20 pond is connected by lower position with anoxic pond 10 by a return duct by lower position, so that the mixed-liquor return in MBR film reaction pond 20 is to anoxic pond 10；MBR film reaction 20 pond in MBR film reaction pond 20 is connected by lower position with anoxic pond 10 by a return duct by lower position, outlet connects with self priming pump 30, the outlet of self priming pump 30 connects with ultra violet sterilizer 40, ultra violet sterilizer 40 connects with clear water reserviors 50, and the mud mouth in MBR film reaction pond 20 connects with sludge-tank 60, anoxic pond 10 respectively through a sludge pump 22；Anoxic pond 10 is connected with an Intermittent Aeration System 12, and MBR film reaction pond 20 is connected with a blast aeration system 21.Anoxic pond has chemical agent and adds mouth.
S2, sewage enter in anoxic pond 10, and be hydrolyzed acidification under the intermittent aerating stirring condition of Intermittent Aeration System 12, the organic impurities in degradation of sewage, after testing, and organic impurities degraded 17%-25% in this step.Add mouth by the chemical agent of anoxic pond 10 simultaneously in anoxic pond 10, add chemical cooperated Dephosphorization reagent, remove the phosphorus in sewage；Anoxic pond 10 also receives the mixed liquor of MBR film reaction pond 20 backflow, carries out denitrification process.
S3, sewage after anoxic pond 10 processes enter MBR film reaction pond 20, by blast aeration system 21 continuous aeration, carry out aerobic biochemical reaction, remove further the organic impurities in sewage；The mixed liquor part in MBR film reaction pond 20 is back in anoxic pond 10, carries out denitrification process in the lump with the sewage in anoxic pond 10；The mud that MBR film reaction pond 20 produces is back to anoxic pond 10 in part through sludge pump 22, supplements microorganism for anoxic pond, and another part is back to sludge-tank 60 by sludge pump 22.
S4, sewage after MBR film reaction pond 20 processes enter self priming pump 30, and self priming pump 30 negative pressure-pumping carries out solid-liquid separation, forms supernatant and mud, and mud is periodically subject to get rid of.
The supernatant that S5, self priming pump 30 are formed after processing enters in ultra violet sterilizer 40 and carries out disinfection, and enters clear water reserviors 50 after having sterilized.Water in clear water reserviors 50 has been the water after processing, and it is detected, and phosphorus concentration is lower than 0.5mg/L.
Mud in S6, sludge-tank 60 carries out aerobic sigestion process, and the supernatant of generation is back to anoxic pond 10 circular treatment, and the mud of generation is regularly transported outward.
Country sewage after adopting these apparatus and method to process, material composition therein such as following table.
As can be seen from the above table, stable effluent quality reaches discharge standard after treatment.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. country sewage integrated treatment unit, it is characterized in that, including: anoxic pond, MBR film reaction pond, self priming pump, ultra violet sterilizer, clear water reserviors and sludge-tank, the outlet of described anoxic pond connects with the water inlet in described MBR film reaction pond, described MBR film reaction pond is connected by lower position with described anoxic pond by a return duct by lower position, the outlet in described MBR film reaction pond connects with described self priming pump, the outlet of described self priming pump connects with described ultra violet sterilizer, described ultra violet sterilizer connects with described clear water reserviors, the mud mouth in described MBR film reaction pond is respectively through a sludge pump and described sludge-tank, anoxic pond connects；Described anoxic pond is connected with an Intermittent Aeration System, and described MBR film reaction pond is connected with a blast aeration system.
2. country sewage integrated treatment unit according to claim 1, it is characterised in that described anoxic pond has chemical agent and adds mouth.
3. a country sewage integral treatment method, it is characterised in that comprise the steps:
S1, offer sewage integrated treatment device, comprising: anoxic pond, MBR film reaction pond, self priming pump, ultra violet sterilizer, clear water reserviors and sludge-tank, the outlet of described anoxic pond connects with the water inlet in described MBR film reaction pond, the outlet in described MBR film reaction pond connects with described self priming pump, the outlet of described self priming pump connects with described ultra violet sterilizer, described ultra violet sterilizer connects with described clear water reserviors, and the mud mouth in described MBR film reaction pond connects with described sludge-tank, anoxic pond respectively through a sludge pump；Described anoxic pond is connected with an Intermittent Aeration System, and described MBR film reaction pond is connected with a blast aeration system；
S2, sewage enter in anoxic pond, and be hydrolyzed acidification under the intermittent aerating stirring condition of Intermittent Aeration System, the organic impurities in degradation of sewage；In anoxic pond, add chemical cooperated Dephosphorization reagent simultaneously, remove the phosphorus in sewage；
S3, sewage after anoxic pond processes enter MBR film reaction pond, by blast aeration system continuous aeration, carry out aerobic biochemical reaction, remove further the organic impurities in sewage；The mixed liquor part in MBR film reaction pond is back in anoxic pond, carries out denitrification process in the lump with the sewage in anoxic pond；The mud that MBR film reaction pond produces is back to anoxic pond in part through sludge pump, supplements microorganism for anoxic pond, and another part is back to sludge-tank by sludge pump；
S4, through MBR film reaction pond process after sewage enter self priming pump, self priming pump negative pressure-pumping carries out solid-liquid separation；
S5, self priming pump supernatant enter in ultra violet sterilizer and carry out disinfection, entrance clear water reserviors after sterilize；
Mud in S6, sludge-tank carries out aerobic sigestion process, and the supernatant of generation is back to anoxic pond circular treatment, and the mud of generation is regularly transported outward.
4. country sewage integral treatment method according to claim 3, it is characterised in that after be hydrolyzed in described anoxic pond acidifying and denitrification process, organic impurities degraded 17%-25%.
5. country sewage integral treatment method according to claim 3, it is characterised in that the phosphorus concentration in described clear water reserviors is lower than 0.5mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298684.7A CN105800876A (en) | 2016-05-05 | 2016-05-05 | Integral treatment device and treatment method for rural sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298684.7A CN105800876A (en) | 2016-05-05 | 2016-05-05 | Integral treatment device and treatment method for rural sewage |
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| Publication Number | Publication Date |
|---|---|
| CN105800876A true CN105800876A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298684.7A Pending CN105800876A (en) | 2016-05-05 | 2016-05-05 | Integral treatment device and treatment method for rural sewage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630498A (en) * | 2017-02-21 | 2017-05-10 | 云南水务投资股份有限公司 | Integral rural sewage treatment equipment |
| CN108147554A (en) * | 2018-02-12 | 2018-06-12 | 苏州首创嘉净环保科技股份有限公司 | Integrated domestic sewage treatment device |
| CN109019861A (en) * | 2018-08-08 | 2018-12-18 | 苏州荣轩环保有限公司 | A kind of A/O waste water treatment process |
| CN109516653A (en) * | 2019-01-04 | 2019-03-26 | 广州粤康环保工程有限公司 | Country sewage integrated equipment for wastewater treatment and method based on distributed control system |
-
2016
- 2016-05-05 CN CN201610298684.7A patent/CN105800876A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630498A (en) * | 2017-02-21 | 2017-05-10 | 云南水务投资股份有限公司 | Integral rural sewage treatment equipment |
| CN106630498B (en) * | 2017-02-21 | 2023-07-25 | 云南水务投资股份有限公司 | Integrated village and town sewage treatment equipment |
| CN108147554A (en) * | 2018-02-12 | 2018-06-12 | 苏州首创嘉净环保科技股份有限公司 | Integrated domestic sewage treatment device |
| CN109019861A (en) * | 2018-08-08 | 2018-12-18 | 苏州荣轩环保有限公司 | A kind of A/O waste water treatment process |
| CN109516653A (en) * | 2019-01-04 | 2019-03-26 | 广州粤康环保工程有限公司 | Country sewage integrated equipment for wastewater treatment and method based on distributed control system |
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Application publication date: 20160727 |