CN104973728A - Sewage deep processing system - Google Patents
Sewage deep processing system Download PDFInfo
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- CN104973728A CN104973728A CN201510229157.6A CN201510229157A CN104973728A CN 104973728 A CN104973728 A CN 104973728A CN 201510229157 A CN201510229157 A CN 201510229157A CN 104973728 A CN104973728 A CN 104973728A
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- contact oxidation
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a sewage deep processing system comprising an anaerobic tank, an anoxic tank, a biological contact oxidation tank I, a biological contact oxidation tank II, a sedimentation tank and an ecological landscape tank. The communications between the anaerobic tank and the anoxic tank, between the anoxic tank and the biological contact oxidation tank I, between the biological contact oxidation tank I and the biological contact oxidation tank II, and between the biological contact oxidation tank II and the sedimentation tank are realized through overflow ports in adjacent tank walls. The sedimentation tank and the ecological landscape tank are communicated through a purified water pump pipe. The ecological landscape tank communicates with a contact disinfection tank through a pipe. The biological contact oxidation tank II communicates with the anoxic tank through a mixed liquid reflux pump. The sedimentation tank communicates with the anaerobic tank through a sludge reflux pump pipe. A sludge tank communicates with a regulation tank through a supernatant reflux pump pipe. Compressed air pipes are respectively led to the anaerobic tank, the anoxic tank, the biological contact oxidation tank I and the biological contact oxidation tank II. All indexes of sewage processed with the system provided by the invention meet the discharge standards.
Description
Technical field
The present invention relates to environmental protection installation, be specially a kind of advanced sewage treatment system sewage being carried out to purifying treatment.
Background technology
According to the sewage disposal traditional technology that villages and towns in rural areas adopts, sewage works arranges grille well one, adjustment one, settling pit, sewage disposal device is a set of, between sludge sump one, air blast machine room and operation room one, sewage treatment process as shown in Figure 2.
Its subject matter existed is: in the water quality after process, BOD
5, COD
cr, TN and ammonia nitrogen detection exceed standard, have impact on the nuisanceless discharge of sewage disposal.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention proposes a kind of advanced sewage treatment system optimizing sewage discharge water quality.
The advanced sewage treatment system that can solve the problems of the technologies described above, its technical scheme comprises anaerobic pond, anoxic pond, bio-contact oxidation I pond, bio-contact oxidation II pond, settling tank and ecological landscape pool, described anaerobic pond is communicated with equalizing tank by sewage pump line, between anaerobic pond and anoxic pond, between described anoxic pond and bio-contact oxidation I pond, between described bio-contact oxidation I pond and bio-contact oxidation II pond, described bio-contact oxidation II pond is all communicated with by the overflow port on adjacent pool wall with between settling tank, described settling tank is communicated with by pump line of purifying waste water with between ecological landscape pool, settling tank is communicated with sludge sump by spoil disposal pump line, described ecological landscape pool is by pipeline connection disinfecting tank, mixed-liquor return pump line is set and is communicated with bio-contact oxidation II and anoxic pond, sludge reflux pump line is set and is communicated with settling tank and anaerobic pond, supernatant liquor backflow pump line is set and is communicated with sludge sump and equalizing tank, be provided with pneumatic line and pass into anaerobic pond, anoxic pond, bio-contact oxidation I pond and bio-contact oxidation II pond respectively.
Beneficial effect of the present invention:
Through the sewage of advanced sewage treatment system process of the present invention, its indices all reaches emission standard (GB18918-2002 " urban wastewater treatment firm pollutant emission standard " one-level B standard).
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is traditional waste water treatment process schema.
Figure number identifies: 1, anaerobic pond; 2, anoxic pond; 3, bio-contact oxidation I pond; 4, bio-contact oxidation II pond; 5, settling tank; 6, ecological landscape pool; 7, sewage pump line; 8, equalizing tank; 9, to purify waste water pump line; 10, spoil disposal pump line; 11, sludge sump; 12, disinfecting tank; 13, mixed-liquor return pump line; 14, sludge reflux pump line; 15, pneumatic line; 16, overflow port; 17, supernatant liquor backflow pump line.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
Advanced sewage treatment system of the present invention is included in anaerobic pond 1 that sewage works scene digs successively, anoxic pond 2, bio-contact oxidation I pond 3, bio-contact oxidation II pond 4 and settling tank 5, also be included in the other ecological landscape pool 6 dug in settling tank 5 side, as shown in Figure 1.
Described anaerobic pond 1 is communicated with equalizing tank 8 (prime sewage disposal operation) by sewage pump line 7, the major function of anaerobic pond 1 is release phosphorus, partial organic substances is carried out ammonification simultaneously, the biologic packing material relevant to its function is provided with in pond, as bacteria carrier, retain enough microbial biomasss carrying out biological process, the sewage processed through anaerobic pond 1 flows into anoxic pond 2 by the overflow port 16 of adjacent lip, as shown in Figure 1.
Described anoxic pond 2 is the facilities based on denitrification process, function removes ammonia nitrogen in sewage and degradation of organic substances, in facultative anaerobe biochemical reaction, based on catabolic reaction, the biologic packing material relevant to its function is provided with in pond, the sewage processed through anoxic pond 2 flows into bio-contact oxidation I pond 3 by the overflow port 16 of adjacent lip, as shown in Figure 1.
Contact-oxidation pool is the facility utilizing autotrophic type aerobic microbiological to carry out biochemical treatment, its function is degraded to the carbonaceous organic material dissolved in sewage and carries out nitrated to the ammonia nitrogen in sewage, described contact-oxidation pool is divided into two-stage, is respectively bio-contact oxidation I pond 3 and bio-contact oxidation II pond 4.
Sewage through the process of bio-contact oxidation I pond 3 flows into bio-contact oxidation II pond 4 by the overflow port 16 of adjacent lip; In described bio-contact oxidation II pond 4, a mixed-liquor return pump is set, the mixed-liquor return pump line 13 be connected with mixed-liquor return pump is communicated with anoxic pond 2, by the mixed-liquor return in bio-contact oxidation II pond 4 to anoxic pond 2, for it provides the electron acceptor(EA) of denitrification, sewage after circular treatment flows into settling tank 5 by the overflow port 16 of the adjacent lip in bio-contact oxidation II pond 4, as shown in Figure 1.
The function of described settling tank 5 is that precipitation process degenerates the microbial film come off, settling tank 5 inside is provided with inclined tube filler, its feature is that wetted perimeter is large, hydraulic radius is little, laminar flow regime is good, particles settling is not by turbulent flow interference, its processing power is 3 ~ 5 times of conventional precipitation, bottom the settling tank 5 of sludge settling below inclined tube filler, purify waste water and emitted inclined tube filler, sludge pump is provided with bottom settling tank 5, the sludge lifting precipitated is delivered to sludge sump 11 by the spoil disposal pump line 10 being communicated with sludge pump, described spoil disposal pump line 10 is also communicated with anaerobic pond 1 (sludge reflux pump line 14 is communicated with on spoil disposal pump line 10 as branch road) by sludge reflux pump line 14, mud is imported in anaerobic pond 1 by certain reflux ratio to ensure the effect of system dephosphorization, in settling tank 5, pump line 9 of purifying waste water is set, purifying waste water in settling tank 5 is pumped to ecological landscape pool 6, as shown in Figure 1.
Mud is got rid of through power sludge discharge way in sludge sump 11, agricultural after lime disinfection process, natural mummification, and the water layer accumulating in Sludge Surface in sludge sump 11 to reflux equalizing tank 8 through supernatant liquor backflow pump line 17, as shown in Figure 1.
Plant in described ecological landscape pool 6 and be implanted with plant, utilize the growth of plant, strengthen the Nitrogen/Phosphorus Removal of purifying waste water, purifying waste water after ecological landscape pool 6 processes flows in disinfecting tank 12 by pipeline, as shown in Figure 1.
Air compressor is set, and by the corresponding pneumatic line 15 arranged respectively pass into anaerobic pond 1, anoxic pond 2, bio-contact oxidation I pond 3 and bio-contact oxidation II pond 4 bottom carry out gas explosion, as shown in Figure 1.
Claims (1)
1. advanced sewage treatment system, it is characterized in that: comprise anaerobic pond (1), anoxic pond (2), bio-contact oxidation I pond (3), bio-contact oxidation II pond (4), settling tank (5) and ecological landscape pool (6), described anaerobic pond (1) is communicated with equalizing tank (8) by sewage pump line (7), between anaerobic pond (1) and anoxic pond (2), between described anoxic pond (2) and bio-contact oxidation I pond (3), between described bio-contact oxidation I pond (3) and bio-contact oxidation II pond (4), described bio-contact oxidation II pond (4) is all communicated with by the overflow port (16) on adjacent pool wall with between settling tank (5), be communicated with by pump line of purifying waste water (9) between described settling tank (5) with ecological landscape pool (6), settling tank (5) is communicated with sludge sump (11) by spoil disposal pump line (10), described ecological landscape pool (6) is by pipeline connection disinfecting tank (12), mixed-liquor return pump line (13) is set and is communicated with bio-contact oxidation II (4) and anoxic pond (2), sludge reflux pump line (14) is set and is communicated with settling tank (5) and anaerobic pond (1), supernatant liquor backflow pump line (17) is set and is communicated with sludge sump (11) and equalizing tank (8), be provided with pneumatic line (15) and pass into anaerobic pond (1), anoxic pond (2), bio-contact oxidation I pond (3) and bio-contact oxidation II pond (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229157.6A CN104973728A (en) | 2015-05-07 | 2015-05-07 | Sewage deep processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510229157.6A CN104973728A (en) | 2015-05-07 | 2015-05-07 | Sewage deep processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104973728A true CN104973728A (en) | 2015-10-14 |
Family
ID=54270758
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510229157.6A Pending CN104973728A (en) | 2015-05-07 | 2015-05-07 | Sewage deep processing system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8252182B1 (en) * | 2008-09-11 | 2012-08-28 | University Of Central Florida Research Foundation, Inc. | Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems |
| CN203683331U (en) * | 2014-01-26 | 2014-07-02 | 广东亮科环保工程有限公司 | Wastewater treatment system |
| CN103964649A (en) * | 2014-05-26 | 2014-08-06 | 杨仲辉 | Living sewage biologic wetland treatment device |
| CN204689826U (en) * | 2015-05-07 | 2015-10-07 | 广西壮族自治区环境保护科学研究院 | Advanced sewage treatment system |
-
2015
- 2015-05-07 CN CN201510229157.6A patent/CN104973728A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8252182B1 (en) * | 2008-09-11 | 2012-08-28 | University Of Central Florida Research Foundation, Inc. | Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems |
| CN203683331U (en) * | 2014-01-26 | 2014-07-02 | 广东亮科环保工程有限公司 | Wastewater treatment system |
| CN103964649A (en) * | 2014-05-26 | 2014-08-06 | 杨仲辉 | Living sewage biologic wetland treatment device |
| CN204689826U (en) * | 2015-05-07 | 2015-10-07 | 广西壮族自治区环境保护科学研究院 | Advanced sewage treatment system |
Non-Patent Citations (3)
| Title |
|---|
| 张自杰: "《排水工程 下册》", 30 June 2000, 中国建筑工业出版社 * |
| 生物接触氧化池;张自杰;《排水工程 下册》;中国建筑工业出版社;20000630;第248页 * |
| 胡书民主编: "《水处理装备》", 31 July 2010 * |
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Application publication date: 20151014 |