CN209507903U - A kind of town domestic sewage processing plant tail water mentions mark system - Google Patents
A kind of town domestic sewage processing plant tail water mentions mark system Download PDFInfo
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- CN209507903U CN209507903U CN201822062570.XU CN201822062570U CN209507903U CN 209507903 U CN209507903 U CN 209507903U CN 201822062570 U CN201822062570 U CN 201822062570U CN 209507903 U CN209507903 U CN 209507903U
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Abstract
A kind of town domestic sewage processing plant tail water of the utility model mentions mark system, is made of oxidation ditch, overflow well, secondary settling tank, disinfection room, cloth water channel, surface current artificial wetland, oxidation pond, Dephosphorization reagent adding equipment, denitrogenation strain, first pipe, elevator pump, second pipe, cast-iron pipe.Sewage obtains initial breakdown through anaerobic zone biochemical action in oxidation ditch, and through aerobic area, aerobic zone depth degradation, improves denitrogenation and dephosphorization efficiency.In second level water distribution, aerator increases oxygen in water, improves subsequent biological treatment efficiency.Surface flow artificial marshland has efficient absorption effect to nitrogen phosphorus in water, has to suspended matter in water and intercepts and adsorb well；Removal of the Wetland Substrate energy strengthen the system to nitrogen phosphorus.The precipitating of oxidation pond and absorption can be further improved water quality.It proposes mark modernization system dexterously the processes such as denitrogenation dephosphorizing, artificial swamp and oxidation pond are together in series, denitrogenation dephosphorizing and removal organic matter efficiency are high, low energy consumption, sludge output is few.
Description
Technical field
The utility model relates to a kind of town domestic sewage processing plant tail waters to mention mark system, particularly belong to sewage disposal technology
Field.
Background technique
With the rapid development of social economy, China's Living consumption is continuously improved, industrial wastewater and life at the same time
The discharge of sewage living increasingly increases, and the sanitary wastewater and industrial wastewater of generation are included in sewage treatment plant and are handled, at present China
The discharge standard of sewage treatment plant executes urban wastewater treatment firm pollutant emission standard more " level-one A in (GB18918-2002)
Or the standard of level-one B, through sewage treatment plant, treated that tail water is directly discharged into surface water system.Surface water environment quality mark
It is quasi- " function minimum V class water quality in surface water waters in (GB3838-2002), V class water quality be primarily adapted for use in agricultural water area and
General landscape requires waters.So the index value discovery of two standards of comparison, the tail water of sewage treatment plant is discharged into surface water at present
System can polluted surface water.To ensure that water head site is not contaminated, it is necessary to carry out water quality to the tail water of sewage treatment plant and propose mark processing.
A kind of town domestic sewage tail water of the utility model proposes mark processing system, can be by sewage effluents level-one A or level-one B
Mark is mentioned to the pollution risk for more than V class water quality, reducing sewage plant tail water table water over the ground.
Utility model content
The purpose of this utility model is to provide a kind of town domestic sewage processing plant tail waters to mention mark system, to reduce sewage
Pollution risk of the sewage for the treatment of plant's processing to surface water.
A kind of town domestic sewage processing plant tail water of the utility model mentions mark system by oxidation ditch (1), overflow well (2), two
Heavy pond (3), disinfection room (4), cloth water channel (5), surface current artificial wetland (6), oxidation pond (7), Dephosphorization reagent adding equipment (8),
Denitrogenation strain (9), first pipe (10), elevator pump (11), second pipe (12), cast-iron pipe (13) are constituted；
The oxidation ditch (1) is made of anaerobic zone (1-1), aerobic area (1-2) and aerobic zone (1-3)；Aerobic zone (1-3)
Interior return-flow system makes activity sludge reflux to aerobic area (1-2)；In aerobic area (1-2)；
Overflow well (2) is laid in the water outlet of oxidation ditch (1), and dephosphorization agent adding equipment is arranged above overflow well (2)
(8)；Long 2m, the width 1.5m, high 3m of overflow well (2)；Overflow well (2) is heavy by first pipe (10) and elevator pump (11) and two
Pond (3) connection；Dephosphorization agent adding equipment (8) is respectively by two sets of medicine storing pots (8-1) in parallel, metering pump (8-2), cargo discharge pump (8-
3), pipeline (8-4), filter (8-5) and counterbalance valve (8-6) are constituted；
Secondary settling tank (3) top be circular configuration, diameter 30m, lower part is conical structure, high 2m, by mud scraper (3-1),
It intakes vertical shaft (3-2) and sludge pipe (3-3) is constituted；
Disinfection room (4) be rectangular parallelepiped structure, long 15m, width 1.5m, high 0.8m, uniformly distributed 10 along water (flow) direction
The ultraviolet disinfecting (4-1) of 250W；
Internal diameter is that the cast-iron pipe (13) of 500mm is connect with cloth water channel (5)；Cloth water channel (5) uses second level water distribution and for steel
Muscle concrete structure, length 134.5m, wide 3.75m；Between 4 aerators (5-1) of cloth water channel (5) direction installation, every aerator
Spacing be 30m, aerator is embedded under water, is aerated upward；
The area of surface current artificial wetland (6) is 23333.1m2, water layer thickness is 10~30cm；Surface current artificial wetland
(6) wetland plant (6-1) is planted, and laid with a thickness of the zeolite filler (6-2) of 0.6~0.8m and with a thickness of 1.0~1.2m's
Wollastonite packing (6-3)；
The area 1066.7m of oxidation pond (7)2, it is mullet on biological floating bed (7-1) wherein laying biological floating bed (7-1)
Grass, Lythrum salicaria or canna, it is submerged plant (7-2) on efficient matrix (7-3) that it is efficient matrix (7-3) that bottom, which is laid with,；Ecology
Floating bed (7-1) area accounting is 30%.
The partial size of the zeolite filler (6-2) is 10mm~50mm.
The partial size of the wollastonite packing (6-3) is 40mm~100mm.
The utility model the utility model has the advantages that
A kind of town domestic sewage processing plant tail water of the utility model mentions mark system dexterously for denitrogenation dephosphorizing, artificial swamp
It is together in series with processes such as oxidation pond, denitrogenation dephosphorizing and artificial swamp the ecology pond systems removal organic matter efficiency are high, low energy consumption, produce
Mud amount is few.
The utility model sewage treatment plant sewage enters oxidation ditch anaerobic zone, after the preliminary biochemical action of anaerobic zone,
Pollutant obtains initial breakdown, then carries out in-depth degradation into aerobic area, aerobic zone, strengthened denitrification is added in aerobic area
Bacterium further increases the nitric efficiency of system, and in aerobic zone, outlet overflows Jing Chu adds efficient Polyferric Sulfate salt dephosphorizing coagulant, improves
The dephosphorization efficiency of system.
Cloth water channel uses second level water distribution in the utility model, while aerator is laid in cloth water channel, increases molten in water
Oxygen is solved, the efficiency of subsequent biological treatment is improved.
Surface flow artificial marshland plants mullet grass, thaliadeabata, canna, rhizoma alismatis in the utility model, has to the nitrogen phosphorus in water
There is efficient absorption, while having to the suspended matter in water and intercepting suction-operated well；Wetland Substrate is filled out using zeolite
Material and wollastonite packing further strengthen system and act on the removal of nitrogen phosphorus.
The oxidation pond water surface is laid biological floating bed in the utility model, and floating bed plant plantation has the shuttle of efficient absorption to nitrogen phosphorus
Water shield, Lythrum salicaria, canna；Bottom plantation has eel grass, hydrilla verticillata, the watermifoil of efficient absorption to pollutant；Pool bottom is applied
If efficient matrix, the survival rate of submerged plant is improved.
Detailed description of the invention
Fig. 1 is that the utility model tail water mentions mark system process flow chart；
Fig. 2 is the utility model oxidation ditch structural schematic diagram；
Fig. 3 is the utility model dephosphorization agent adding equipment schematic diagram；
Fig. 4 is the utility model secondary settling tank top view；
Fig. 5 is the utility model disinfection room top view；
Fig. 6 is the utility model cloth water channel floor map；
Fig. 7 is the utility model artificial swamp structural schematic diagram；
Fig. 8 is the utility model oxidation pond structural schematic diagram；
In Fig. 8: 1, oxidation ditch；2, overflow well；3, secondary settling tank；4, disinfection room；5, cloth water channel；6, surface current artificial wetland；
7, oxidation pond；8, Dephosphorization reagent adding equipment；9, denitrogenation strain；10, first pipe；11, elevator pump；12, second pipe；13,
Cast-iron pipe；1-1, anaerobic zone；1-2, aerobic area；1-3, aerobic zone；3-1, mud scraper；4-1, ultraviolet disinfecting；5-1, aeration
Machine；5-2, clarifying basin；5-3, level-one water distribution channel；5-4, second level channel；6-1, wetland plant；6-2, zeolite filler；6-3, silicon
Grey hardcore；It is 7-1, biological floating bed；7-2, submerged plant；7-3, efficient matrix；8-1, medicine storing pot；8-2 metering pump；8-3, it unloads
Goods pump；8-4, pipeline；8-5, filter；8-6, counterbalance valve.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of town domestic sewage processing plant tail water mention mark system include oxidation ditch, overflow well, secondary settling tank,
Disinfection room, cloth water channel, surface current artificial wetland, oxidation pond, Dephosphorization reagent adding equipment, denitrogenation strain are added, first pipe, are mentioned
Rise pump, second pipe and cast-iron pipe.
As shown in Fig. 2, the utility model mentions mark reforming processing system oxidation ditch (1) by anaerobic zone (1-1), aerobic area
(1-2), aerobic zone (1-3) are constituted, and aerobic zone (1-3) is equipped with return-flow system, make activity sludge reflux to aerobic area (1-2).
As shown in figure 3, Dephosphorization reagent adding equipment (8) is respectively by two sets of medicine storing pots (8-1), dosing metering pumps in parallel
(8-2), cargo discharge pump (8-3), pipeline (8-4), filter (8-5) and counterbalance valve (8-6) are constituted.
As shown in fig. 6, being passed through along cloth water channel (5) by clarifying basin (5-2), level-one water distribution channel (5-3), second level channel (5-4)
Aerator (5-1) He Sitai aerator (5-1) forms, and spacing is 30m between every aerator, and aerator is embedded under water, court
Upper aeration.Cloth water channel (5) water (flow) direction is as shown in Figure 6.
As shown in fig. 7, surface current artificial wetland (6) lays zeolite filler (6-2) and wollastonite packing (6-3).
Zeolite filler (6-2) is with a thickness of 0.6~0.8m, and wollastonite packing (6-3) is with a thickness of 1.0~1.2m.
As shown in figure 8, oxidation pond (7), which lays biological floating bed (7-1), kind planting submerged plant (7-2) and bottom, is laid with height
It imitates matrix (7-3).According to function division region, biological floating bed (7-1) and submerged plant (7-2) are divided into two regions, utilized
The effect of biological floating bed (7-1) and the precipitation adsorption of submerged plant (7-2) improves water quality.
A kind of town domestic sewage processing plant tail water proposes mark system operation and includes the following steps:
Step 1: sewage treatment plant's sewage enters lift pump room, hydraulic pressure is entered oxidation ditch (1) using pressure, through peroxidating
Overflow well (2) are overflowed to after ditch (1) biochemical action, wherein efficient denitrification strain is added in oxidation ditch (1), in overflow well (2)
In add efficient dephosphorization medicament；
Step 2: oxidation ditch (1) water outlet is pumped into secondary settling tank (3) by elevator pump and carries out sufficient standing, by mud-water separation.It uses
The sludge discharge system that mud scraper precipitates secondary settling tank (3), the upper layer sewage after precipitating enter disinfection room (4) and carry out ultraviolet disappear
Poison；
Step 3: disinfection room water outlet flows into cloth water channel (5), and 4 aerators (5-1) are laid in cloth water channel (5), to sewage into
Sewage is uniformly distributed into surface current artificial wetland (6) simultaneously by row watercourse aeration；
Step 4: it was flowed after the effect of the strengthened purification of artificial swamp at surface current artificial wetland (6) stop one week or so
Enter oxidation pond (7)；
Step 5: sewage finally enters river by discharge system after oxidation pond (7) precipitating, absorption.
Sewage treatment plant's sewage reaches " water environment quality standard " by proposing mark modernization system processing, water outlet
(GB3838-2002) V class water quality and the above standard.
Claims (3)
1. a kind of town domestic sewage processing plant tail water mentions mark system, it is characterised in that: the tail water mentions mark system by aoxidizing
Ditch (1), secondary settling tank (3), disinfection room (4), cloth water channel (5), surface current artificial wetland (6), oxidation pond (7), removes overflow well (2)
Phosphorus adding of agent equipment (8), denitrogenation strain (9), first pipe (10), elevator pump (11), second pipe (12), cast-iron pipe
(13) it constitutes；
The oxidation ditch (1) is made of anaerobic zone (1-1), aerobic area (1-2) and aerobic zone (1-3)；In aerobic zone (1-3)
Return-flow system makes activity sludge reflux to aerobic area (1-2)；In aerobic area (1-2)；
Overflow well (2) is laid in the water outlet of oxidation ditch (1), and dephosphorization agent adding equipment (8) are arranged above overflow well (2)；It overflows
Flow long 2m, the width 1.5m, high 3m of well (2)；Overflow well (2) is connected by first pipe (10) and elevator pump (11) and secondary settling tank (3)
It connects；Dephosphorization agent adding equipment (8) is respectively by two sets of medicine storing pots (8-1) in parallel, metering pump (8-2), cargo discharge pump (8-3), pipeline
(8-4), filter (8-5) and counterbalance valve (8-6) are constituted；
Secondary settling tank (3) top is circular configuration, and diameter 30m, lower part is conical structure, high 2m, by mud scraper (3-1), water inlet
Vertical shaft (3-2) and sludge pipe (3-3) are constituted；
Disinfection room (4) is rectangular parallelepiped structure, long 15m, width 1.5m, high 0.8m, along uniformly distributed 10 250 W's of water (flow) direction
Ultraviolet disinfecting (4-1)；
Internal diameter is that the cast-iron pipe (13) of 500mm is connect with cloth water channel (5)；Cloth water channel (5) uses second level water distribution and for reinforced concrete
Structure, length 134.5m, wide 3.75m；Between between 4 aerators (5-1) of cloth water channel (5) direction installation, every aerator
Away from for 30m, aerator is embedded under water, is aerated upward；
The area of surface current artificial wetland (6) is 23333.1m2, water layer thickness is 10~30cm；Surface current artificial wetland (6) kind
It plants wetland plant (6-1), and lays with a thickness of the zeolite filler (6-2) of 0.6~0.8m and with a thickness of the wollastonite of 1.0~1.2m
Filler (6-3)；
The area 1066.7m of oxidation pond (7)2, wherein lay biological floating bed (7-1), it is mullet grass on biological floating bed (7-1), thousand bends
Dish or canna, it is submerged plant (7-2) on efficient matrix (7-3) that it is efficient matrix (7-3) that bottom, which is laid with,；Biological floating bed (7-
1) area accounting is 30%.
2. a kind of town domestic sewage processing plant tail water according to claim 1 mentions mark system, it is characterised in that: described
The partial size of zeolite filler (6-2) is 10mm~50mm.
3. a kind of town domestic sewage processing plant tail water according to claim 1 mentions mark system, it is characterised in that: the silicon
The partial size of grey hardcore (6-3) is 40mm~100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062570.XU CN209507903U (en) | 2018-12-10 | 2018-12-10 | A kind of town domestic sewage processing plant tail water mentions mark system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062570.XU CN209507903U (en) | 2018-12-10 | 2018-12-10 | A kind of town domestic sewage processing plant tail water mentions mark system |
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| Publication Number | Publication Date |
|---|---|
| CN209507903U true CN209507903U (en) | 2019-10-18 |
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ID=68193454
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822062570.XU Active CN209507903U (en) | 2018-12-10 | 2018-12-10 | A kind of town domestic sewage processing plant tail water mentions mark system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516639A (en) * | 2018-12-10 | 2019-03-26 | 中国电建集团江西省电力建设有限公司 | A kind of town domestic sewage treatment plant proposes mark modernization system |
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2018
- 2018-12-10 CN CN201822062570.XU patent/CN209507903U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109516639A (en) * | 2018-12-10 | 2019-03-26 | 中国电建集团江西省电力建设有限公司 | A kind of town domestic sewage treatment plant proposes mark modernization system |
| CN109516639B (en) * | 2018-12-10 | 2024-03-15 | 中国电建集团江西省电力建设有限公司 | Label improving and reforming system for urban domestic sewage treatment plant |
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