CN205472891U - Municipal waste water treatment plant tail water deep purification processing apparatus - Google Patents
Municipal waste water treatment plant tail water deep purification processing apparatus Download PDFInfo
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- CN205472891U CN205472891U CN201620032062.5U CN201620032062U CN205472891U CN 205472891 U CN205472891 U CN 205472891U CN 201620032062 U CN201620032062 U CN 201620032062U CN 205472891 U CN205472891 U CN 205472891U
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- water
- tail water
- processing means
- deep purification
- plant
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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
Abstract
The utility model belongs to the technical field of sewage treatment, particularly, involve a municipal waste water treatment plant tail water deep purification processing apparatus. It contains processing unit, comprehensive regulating unit and the stabilization of water quality unit in advance reinforceed that sets gradually, reinforceing in advance, processing unit is equipped with biological bed, artificial dielectric biomembrane and the micropore aeration device of floating, it is equipped with subsurface wetland, overflow dam, gravel bed in proper order to synthesize regulating unit, plant aquatic plant and be equipped with overflow dam of stabilization of water quality unit. Compared with the prior art, municipal waste water treatment plant tail water deep purification processing apparatus optimizes (the organization) purification craft according to natural condition, and the flow field in local waters is regulated and control in extension water conservancy dwell time, manual work, and the advanced treatment is carried out to municipal waste water treatment plant tail water to regulation and control hydrology hydrodynamic force, finally realizes high -efficient nitrogen and phosphorus removal's purpose, realizes the tail water resourceization and recycles.
Description
Technical field
This utility model belongs to technical field of sewage, it particularly relates to a kind of municipal sewage plant deep purification of tail water processing means.
Background technology
Water is Source of life, it is to maintain all life irreplaceable material of activity, it is not only required for human survival and development, be also human production activity and the ecological environment institute maintaining the mankind to depend on for existence indispensable, the lifeblood of national economy and the important composition part of overall national strength especially.China's water resource famine, according to statistics, there are 400 insufficient waters, 110 serious water shortages in the whole nation in 669 cities；Annual National urban hydropenia total amount 6,000,000,000 cubes, the industrial output value reduced because of hydropenia is estimated as 230,000,000,000 yuan every year.In solving the water resources crisis occurred at present, the exploitation of town regenerated water are of great interest and pay attention to.Town sewage is easily collected and processes, enormous amount, reliable and stable and can obtain nearby, is extremely important in terms of ensureing cities and towns safety water supply.After deep purifying processes, industrial or agricultural and municipal water use, supplementary surface water can be back to, carry out groundwater recharge etc., increase water supply, reduce the behavior of men impact on environment.
The main pollutant removal object in municipal sewage plant of present stage China is COD, BOD5, SS and nitrogen, phosphorus nutrition material etc., and after existing two stage treatment technology (such as activated sludge process, membrane bioreactor etc.) is to the dirty water decontamination handles, effluent quality there is also the polluters such as a considerable amount of nitrogen phosphorus.Specifying according to " urban wastewater treatment firm pollutant emission standard " (GB 18918-2002), highest standard one-level A of urban wastewater treatment firm Tail water reuse is COD:50mg/L, ammonia nitrogen: 5-8mg/L, TP:0.5mg/L.But, specifying according to " water environment quality standard " (GB3838-2002), the standard of ground Table V class water is COD:40mg/L, ammonia nitrogen: 2.0mg/L, TP:0.4mg/L.As can be seen here, the water quality of secondary effluent from sewage treatment plant is far below the minimum requirements of surface water body.Therefore, the unsuitable direct reuse of the tail water of sewage treatment plant, and need it is carried out advanced treating, the secondary effluent of sewage treatment plant will process through further physics, chemistry, biology etc. again, make the residual contamination composition in effluent quality preferably be removed.The only urban wastewater treatment firm tail water after advanced treating is the most recycling.Urban wastewater treatment firm tail water is carried out advanced treating, the pressure of natural water body self-cleaning can be alleviated, improve eco-environmental quality；Sewage is carried out reusing sewage after advanced treating and is also implied that and open new water source, is therefore extremely important.
Summary of the invention
For solving above-mentioned technical problem, this utility model provides municipal sewage plant's deep purification of tail water processing means of a kind of energy-conserving and environment-protective, ecological safety.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, described processing means is containing strenuous primary treatment unit 1, comprehensive adjustment unit 2 and the water stabilization unit 3 set gradually；Described strenuous primary treatment unit 1 is provided with biologic float bed 4, artificial dielectric biomembrane 5 and microporous aeration device 6；Described comprehensive adjustment unit 2 is sequentially provided with current wetland 7, overfall dam 8, gravel bed 9；Described water stabilization unit 3 is planted water plant be provided with overfall dam.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, in described strenuous primary treatment unit 1, biologic float bed 4 are positioned at that the top, artificial dielectric biomembrane 5 be placed in the middle, microporous aeration device 6 occupy bottom.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, one or more during biologic float bed 4 plants planted are phragmites communis, Arundo donax, Herba Typhae, yellow flag, Rhizoma Acori Graminei, umbrella grass, Rhizoma Iridis Tectori, Herba Lythri Salicariae, again power flower, Mugil cephalus grass in described strenuous primary treatment unit 1.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, in described comprehensive adjustment unit 2, current wetland 7 height is 0.8-1.4m, filling the gravel of particle diameter 30-40mm, the zeolite of particle diameter 20-30mm and the meter Shi of particle diameter 5-10mm the most from bottom to top, packed height is respectively 40-60cm, 30-60cm, 10-20cm.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, described comprehensive adjustment unit 2 cobble-stone bed 9 height is 0.5-0.7m, filling zeolite and the gravel of particle diameter 20-40mm of particle diameter 20-30mm the most from bottom to top, packed height is respectively 30-40cm and 20-30cm.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, in described comprehensive adjustment unit 2, the dam body height of overfall dam 8 is 0.8-1.4m, is positioned at current wetland 7 middle with gravel bed 9.Regulation current wetland 7 and gravel bed 9 water level, form drop view, increase water body dissolved oxygen simultaneously.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, the described water plant in water stabilization unit 3 includes one or more in Herba vallisneriae Spiralis, Bi Chi Herba potamogetonis distincti, water caltrop, hornwort, watermifoil, black algae.
A kind of municipal sewage plant described in the utility model deep purification of tail water processing means, in described water stabilization unit 3, the dam body height of overfall dam is 0.5-0.7m.
Operation principle: tail water purification of microorganism on biologic float bed 4 root systems of plant and biomembrane in strenuous primary treatment unit, wherein microporous aeration device 6 is that aerobic microbiological provides sufficient dissolved oxygen, strengthens oxidative degradation organic in tail water；Subsequently enter current wetland 7 and the gravel bed 9 of comprehensive adjustment clean unit, through filtering, adsorbing and microbial degradation, remove most Organic substance, nitrogen and phosphorous nutrient etc. in tail water；Overfall dam 8 regulates current wetland 7 and gravel bed 9 water level between two parties, can form drop water aeration view, increases water body dissolved oxygen further；Finally enter water stabilization unit, through absorption and the transformation of water plant, reach the purpose of deep purifying.
Compared with prior art, municipal sewage plant described in the utility model deep purification of tail water processing means combines dissimilar Ecological Disposal unit and tail water is carried out comprehensive control and deep purifying, and by flow field, waters, artificial regulatory local, regulation and control Hydrology power carries out advanced treating to municipal sewage plant's tail water, treatment effeciency can be effectively improved, cut down pollutional load.This system with repair with rebuild ecosystem as final goal, later stage ecosystem self-sustaining, it is achieved the long-acting self-purification function of water body；During removing pollutant, use pure ecological method, add and other abiotic means without chemical agent, surrounding enviroment are not produced secondary pollution problem, recover and promote water ecosystem service function, show the new outlet of tail water produced by municipal sewage treatment plant.
Accompanying drawing explanation
Fig. 1: municipal sewage plant's deep purification of tail water processing means schematic diagram；Fig. 2: strenuous primary treatment Elementary Function component placement schematic diagram；Fig. 3: comprehensive adjustment clean unit schematic layout pattern；Strenuous primary treatment unit-1, comprehensive adjustment unit-2, water stabilization unit-3, biologic float bed-4, artificial dielectric biomembrane-5, microporous aeration device-6, current wetland-7, overfall dam-8, gravel bed-9.
Detailed description of the invention
Below in conjunction with specific embodiment, municipal sewage plant described in the utility model deep purification of tail water processing means is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of municipal sewage plant deep purification of tail water processing means, described processing means is containing strenuous primary treatment unit 1, comprehensive adjustment unit 2 and the water stabilization unit 3 set gradually；Described strenuous primary treatment unit 1 is provided with biologic float bed 4, artificial dielectric biomembrane 5 and microporous aeration device 6；Described comprehensive adjustment unit 2 is sequentially provided with current wetland 7, overfall dam 8, gravel bed 9；Described water stabilization unit 3 is planted water plant be provided with overfall dam.In described strenuous primary treatment unit 1, biologic float bed 4 are positioned at that the top, artificial dielectric biomembrane 5 be placed in the middle, microporous aeration device 6 occupy bottom.In described strenuous primary treatment unit 1, biologic float bed 4 plants planted are phragmites communis, Arundo donax and Mugil cephalus grass.In described comprehensive adjustment unit 2, current wetland 7 height is 1.2m, fills the gravel of particle diameter 35mm, the zeolite of particle diameter 25mm and the meter Shi of particle diameter 8mm the most from bottom to top, and packed height is respectively 50cm, 50cm, 15cm.Described comprehensive adjustment unit 2 cobble-stone bed 9 height is 0.6m, fills zeolite and the gravel of particle diameter 30mm of particle diameter 25mm the most from bottom to top, and packed height is respectively 35cm and 25cm.In described comprehensive adjustment unit 2, the dam body height of overfall dam 8 is 1.2m, is positioned at current wetland 7 middle with gravel bed 9.Regulation current wetland 7 and gravel bed 9 water level, form drop view, increase water body dissolved oxygen simultaneously.In described water stabilization unit 3, water plant includes Herba vallisneriae Spiralis and comb watermifoil.In described water stabilization unit 3, the dam body height of overfall dam is 0.6m.
For verifying the effect of this device, we using the tail water of Sewage Plant one-level A standard as system intake, main water quality index be COD be 30-50mg/L, total nitrogen concentration is 8-15mg/L, and ammonia nitrogen concentration is 5-8mg/L, and total phosphorus concentration is 0.3-0.5mg/L.Implement this new city sewage treatment plant tail water deep purifying processing means, comprise the strenuous primary treatment unit 3223m set gradually2, comprehensive adjustment unit 8228m2And water stabilization unit 10030m2；Strenuous primary treatment unit is provided with biologic float bed 200m2, biomembrane 440m2Overlap with microporous aeration device 1；Comprehensive adjustment unit is provided with current wetland 300m2, overfall dam 1 road, 12 road gravel bed 270m2；Water stabilization unit is planted submerged plant 7600m2.The system 5-7 days water conservancy time of staying of entirety.
Tail water first passes around biologic float bed 4 root systems of plant and the biological purification of biofilm microorganisms in the strenuous primary treatment unit of this system, and wherein microporous aeration device 6 is that aerobic microbiological provides dissolved oxygen, strengthens oxidative degradation organic in sewage；Subsequently enter current wetland 7 and the gravel bed 9 of comprehensive adjustment clean unit, filter through it, adsorb and microbial degradation, remove most Organic substance, nitrogen and phosphorous nutrient etc. in tail water, wherein overfall dam 8 regulates current wetland 7 and gravel bed 9 water level between two parties, drop water aeration view can be formed, and increase water body dissolved oxygen；Finally enter water stabilization unit, through absorption and the transformation of submerged plant, reach deep purifying purpose.
Tail water is after this device deep purifying, and its effluent quality COD drops to below 20mg/L, and total nitrogen concentration is less than 1mg/L, and ammonia nitrogen concentration drops to below 1mg/L, and total phosphorus concentration is less than 0.2mg/L.Effluent quality is better than " water environment quality standard " (GB3838-2002) III class water standard.
Claims (8)
1. municipal sewage plant's deep purification of tail water processing means, it is characterised in that described processing means comprises strenuous primary treatment unit (1), comprehensive adjustment unit (2) and the water stabilization unit (3) set gradually；Described strenuous primary treatment unit (1) is provided with biologic float bed (4), artificial dielectric biomembrane (5) and microporous aeration device (6)；Described comprehensive adjustment unit (2) is sequentially provided with current wetland (7), overfall dam (8), gravel bed (9)；Described water stabilization unit (3) is planted water plant be provided with overfall dam.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, in described strenuous primary treatment unit (1), biologic float bed (4) are positioned at that the top, artificial dielectric biomembrane (5) be placed in the middle, microporous aeration device (6) occupy bottom.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, the plant that in described strenuous primary treatment unit (1), biologic float bed (4) plant is one or more in phragmites communis, Arundo donax, Herba Typhae, yellow flag, Rhizoma Acori Graminei, umbrella grass, Rhizoma Iridis Tectori, Herba Lythri Salicariae, again power flower, Mugil cephalus grass.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, in described comprehensive adjustment unit (2), current wetland (7) height is 0.8-1.4m, filling the gravel of particle diameter 30-40mm, the zeolite of particle diameter 20-30mm and the meter Shi of particle diameter 5-10mm the most from bottom to top, packed height is respectively 40-60cm, 30-60cm, 10-20cm.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, described comprehensive adjustment unit (2) cobble-stone bed (9) height is 0.5-0.7m, filling zeolite and the gravel of particle diameter 20-40mm of particle diameter 20-30mm the most from bottom to top, packed height is respectively 30-40cm and 20-30cm.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, in described comprehensive adjustment unit (2), the dam body height of overfall dam (8) is 0.8-1.4m, is positioned at current wetland (7) middle with gravel bed (9).
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterized in that, the described water plant in water stabilization unit (3) includes one or more in Herba vallisneriae Spiralis, Bi Chi Herba potamogetonis distincti, water caltrop, hornwort, watermifoil, black algae.
Municipal sewage plant the most according to claim 1 deep purification of tail water processing means, it is characterised in that in described water stabilization unit (3), the dam body height of overfall dam is 0.5-0.7m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620032062.5U CN205472891U (en) | 2016-01-13 | 2016-01-13 | Municipal waste water treatment plant tail water deep purification processing apparatus |
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| CN201620032062.5U CN205472891U (en) | 2016-01-13 | 2016-01-13 | Municipal waste water treatment plant tail water deep purification processing apparatus |
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| CN205472891U true CN205472891U (en) | 2016-08-17 |
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| CN201620032062.5U Expired - Fee Related CN205472891U (en) | 2016-01-13 | 2016-01-13 | Municipal waste water treatment plant tail water deep purification processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762897A (en) * | 2020-07-24 | 2020-10-13 | 北京市农林科学院 | Foliutailed algae-microorganism sewage purification system and construction method |
-
2016
- 2016-01-13 CN CN201620032062.5U patent/CN205472891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762897A (en) * | 2020-07-24 | 2020-10-13 | 北京市农林科学院 | Foliutailed algae-microorganism sewage purification system and construction method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200113 |