CN209178086U - A kind of artificial swamp for sewage treatment plant tail water advanced treating - Google Patents
A kind of artificial swamp for sewage treatment plant tail water advanced treating Download PDFInfo
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- CN209178086U CN209178086U CN201821721379.5U CN201821721379U CN209178086U CN 209178086 U CN209178086 U CN 209178086U CN 201821721379 U CN201821721379 U CN 201821721379U CN 209178086 U CN209178086 U CN 209178086U
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- sewage treatment
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- wetland
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Abstract
The utility model discloses a kind of artificial swamps for sewage treatment plant tail water advanced treating, " returning " the font irrigation canals and ditches excavated including one around sewage treatment plant, its two sides Qu Bi is staggeredly built with several wetland blocks being made of clay, coarse sand, gravel, zinc-plated mesh sheet and emergent aquactic plant, staggered wetland block forms detour flowing flux in " returning " font irrigation canals and ditches, the connection of the tail water discharge outlet of its water inlet and sewage treatment plant, its water outlet is connect with the river mouth that enters in receiving river, and is set up on " returning " font irrigation canals and ditches for linking up the bridge inside and outside sewage treatment plant.The utility model constructs the detour stream wetland of " returning " font by the enclosure wall of sewage treatment plant and along wall land use for greening, the advanced treating of tail water can be not only realized during water body flows automatically, mitigate the pollutional load in receiving river, and it can replace the existing enclosure wall of sewage treatment plant and along wall greenbelt, beautify the environment around plant area, has both three kinds of plant area's enclosure wall, landscape planting and artificial swamp functions.
Description
Technical field
The utility model belongs to sewage treatment plant tail water (micro- pollution, big yield water body etc.) processing technology field, specifically relates to
And one kind can replace sewage treatment plant's enclosure wall and " returning " font artificial swamp along wall greenbelt, for Tailwater Depth processing.
Background technique
In recent years, in order to contain trend that water environment constantly deteriorates, country and government agencies at all levels are continued to increase to sewage
The investment for the treatment of facility, the dilatation by creating sewage treatment plant and to old factory, treatment rate of domestic sewage are continuously improved, but due to
The tail water pollutant concentration index of qualified discharge is still higher than V class water of surface water, and urban wastewater treatment firm tail water day discharge amount one
As all more than tens of thousands of tons, it is limited for self-purification capacity or although pollutant concentration is not high in the tail water of qualified discharge
For the receiving water body being contaminated, the huge total amount of pollutant still can still far beyond the pollutional load in receiving river
Larger pollution is caused to river water body, makes sewage treatment plant, river, periphery by more serious pollution, and then influences the life in river
State landscape.
To improve the situation that sewage treatment plant periphery river water quality deteriorates, ecoscape is very poor, to urban wastewater treatment firm
The improvement that tail water carries out advanced treating and periphery river channel ecology landscape has become problem in the urgent need to address.Artificial swamp conduct
The advantages that typical eco-treatment technology has investment and maintenance cost low, and effluent quality is good, ecological, environmental protective, certain area
Artificial swamp can also become the important Afforestation Landscape in sewage treatment plant periphery, in recent years in micro-polluted water treatment, pollution of area source control
The fields such as system, sewage treatment obtain more and more approving and apply.But common horizontal flow artificial wetland purification efficiency is low, accounts for
Ground is big, though and common undercurrent, vertical current constructed wetland purification efficiency are high, there is also easy blockings, processing big yield water energy
High problem is consumed, wetland is made to be difficult to continuous service.
Utility model content
For above-mentioned problems of the prior art, the utility model is overcoming conventional flat stream, undercurrent, vertical person who lives in exile
On the basis of work wetland disadvantage, a kind of artificial swamp for sewage treatment plant tail water advanced treating is provided, to improve sewage
The case where treatment plant's periphery river water quality deteriorates, and ecoscape is deteriorated.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of artificial swamp for sewage treatment plant tail water advanced treating is excavated including one around sewage treatment plant
" returning " font irrigation canals and ditches, boundary of " time " the font irrigation canals and ditches as sewage treatment plant, to replace existing enclosure wall and be afforested along wall
Band separates the plant area of sewage treatment plant and the external world;It is wet that the two sides Qu Bi of " time " the font irrigation canals and ditches are staggeredly built with several
Plot, the wetland block staggeredly constructed form " S " type detour flowing flux in " time " the font irrigation canals and ditches, and " S " type is circuitous
The water inlet of back return-flow system is connect with the tail water discharge outlet of the sewage treatment plant, the water outlet of " S " the type detour flowing flux
It is connect with the river mouth that enters in receiving river;And it sets up on " time " the font irrigation canals and ditches for linking up inside and outside the sewage treatment plant
Bridge, also or at the internal and external channel of the sewage treatment plant do not excavate " S " detour flowing flux, and directly adopt pipeline will
" S " detour flowing flux of channel both sides is connected to.
In the actual construction process, " S " type detour flowing flux only need to be excavated on the level land of sewage treatment plant's surrounding, this
" S " type detour flowing flux just constitutes " a returning " font irrigation canals and ditches in one week around sewage treatment plant, excavates " S " type detour flowing flux
While afterwards, " returning " if foring the staggered original soil plot of dry plug in font irrigation canals and ditches;
The wetland block is built-up by clay, coarse sand, gravel, zinc-plated mesh sheet and emergent aquactic plant, the master of the wetland block
Body portion is the original soil plot built up by the clay, is actually exactly the one stifled of self-assembling formation after excavating " S " type detour flowing flux
Staggered original soil plot is blocked up, the top in the original soil plot is excavated with downwards several pits, and the coarse sand is filled in institute
It states in pit, the gravel is uniformly laid on the side surface in the original soil plot, and is fixed by the zinc-plated mesh sheet, the plating
The aperture of zinc mesh sheet is less than the partial size of the gravel, and the emergent aquactic plant is uniformly planted in the outer surface of the wetland block.
Further, three sides of the wetland block are inclined-plane, i.e., the cross section of the described wetland block is wide in bottom, pushes up
Narrow trapezoidal in portion, and the gradient on three inclined-planes is 1:1~1:3.
Further, the laying depth of the gravel is 20~60cm.
Further, the shape of the longitudinal section of the pit be round, square, rectangle or it is quincunx in it is any one
Kind.
Further, the emergent aquactic plant is one or more of reed, cattail, canna, yellow flag, iris.
Further, the design head of " time " the font irrigation canals and ditches is 1~3m, and the design water of " time " the font irrigation canals and ditches
Position is higher than the ordinary water level in the receiving river.
Further, the top surface of the wetland block is flushed with ground, and the top surface of the wetland block is higher by described " returning " word
5~10cm of design water level of type irrigation canals and ditches.
Further, adjustable area of passage is provided between the wetland block and the canal wall of " time " the font irrigation canals and ditches
Gate makes the water level of gate upstream and downstream two sides water channel form certain liquid level by controlling the unlatching size of the gate
Difference, to increase penetrating power of the tail water in the wetland block.
Further, it is respectively arranged with liquidometer in the water channel of gate upstream and downstream two sides, for described in intuitive judgment
Liquid level difference between the water channel of gate upstream and downstream two sides.
Further, if there are certain distances between the artificial swamp and receiving river, in " S " the type detour stream
The entering of the water outlet of water channel and the receiving river excavates identical circuitous with " time " the font irrigation canals and ditches internal structure between river mouth
Flow back wetland irrigation canals and ditches, drainage (or draining) and further advanced treating for sewage treatment plant tail water.
Detour artificial wetland used by the utility model has the characteristics that following several big:
1, facilitate construction, expense low: the detour stream wetland of the utility model only need to be on the ground around sewage treatment plant
" S " type water channel is excavated in face, and digs pit on the clay plot of " S " type water channel, back-up sand, graveling layer, zinc-plated mesh sheet, plantation
The engineerings such as plant construct wetland block, and construction is easy, and expense is low, and can save the enclosure wall of sewage treatment plant and building along wall greenbelt
If expense.
2, detergent power is strong: firstly, the detour stream wetland of the utility model can accelerate water velocity, quick flowing water
Body has stronger detergent power than slow flowing water body;Secondly as wetland block periphery is the biggish gravel layer in gap, it is wet
It is covered with emergent aquactic plant root system in plot, tail water first penetrates the biggish gravel layer in gap, then through the mud for being covered with emergent aquactic plant root system
Soil layer substantially increases the amount that tail water penetrates wetland block, increases the exchange capacity of water inside and outside wetland block, therefore, each wetland
The vertical-flow wetland that block is rotated by 90 ° angle, stands up just as one, the set of multiple wetland blocks will have in detour stream wetland
Powerful detergent power.
3, retain pollution of area source: the detour stream wetland of the utility model, which can also be intercepted, enters the dirt of the face source in wetland with rainwater
Object is contaminated, and it is purified, there is multiple purifying ability.
4, stable structure, maintenance are simple: the detour stream wetland of the utility model is made of materials such as sandstone, zinc-plated mesh sheet,
Stable structure, Maintenance free, wetland implants can be sprouted naturally every year, in addition to the management of winter plant harvesting, substantially without management,
Maintenance is simple.
5, operating cost is low: the detour stream wetland utilization sewage treatment plant tail water discharge outlet and receiving river of the utility model
The water-head for entering river mouth, so that tail water is purified during transportation, is not necessarily to waterpower by the self weight and water velocity of tail water
Promotion and water distribution system, it is more energy saving, it is suitble to the processing of big yield water body.
6, never block: the detour stream wetland of the utility model has openr water channel, is not in undercurrent, vertical current etc.
Artificial swamp is using i.e. can there is a situation where block after several years.
7, ecoscape effect is good: by the various combination to emergent aquactic plant in detour stream wetland, can not only make difference
Plant plays respectively to purification functions such as the absorption of pollutant, conversions, and emergent aquactic plant can also be made to be combined into different patterns, has
There are good ecology and landscape effect.
Compared with existing artificial swamp, the detour stream wetland of the utility model is keeping artificial swamp construction and operating cost
On the basis of many advantages, such as low, detergent power is strong, ecological, environmental protective, both overcame that horizontal flow artificial wetland purification efficiency is low, accounts for
The big problem in ground, and overcome undercurrent, vertical current constructed wetland and easily block, handle the high problem of big yield water consumption, have not
Blocking, Non-energy-consumption, the feature for being suitble to big yield water process, ecoscape effect more preferable, are in level stream, undercurrent, vertical current etc.
Innovation on the basis of conventional manual's wetland.
The utility model is ingenious by means of the enclosure wall of sewage treatment plant and along wall land use for greening, makes not increasing excessive soil
In the case where dosage, construct the detour stream wetland of " returning " font, not only can use sewage treatment plant tail water discharge outlet with by
It receives the water-head in river, the advanced treating of tail water is realized during water body gravity flow, mitigates the pollutional load in receiving river, and
And it can replace the existing enclosure wall of sewage treatment plant and along wall greenbelt, beautify the environment around plant area, have both plant area's enclosure wall, scape
Greening and three kinds of functions of artificial swamp are seen, the particularly suitable area in land used anxiety plays limited land resource more
Function.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.Specific embodiment of the present utility model is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is a kind of planar structure schematic diagram of embodiment of the utility model artificial swamp;
Fig. 2 is the part plan structural schematic diagram that the utility model " returns " font irrigation canals and ditches;
Fig. 3 is the cross-sectional structure schematic diagram of the two neighboring wetland block of the utility model;
Fig. 4 is cross-sectional view of the utility model wetland block in " returning " font irrigation canals and ditches;
Fig. 5 is the planar structure schematic diagram of the utility model artificial swamp another kind embodiment.
Figure label explanation: 1, sewage treatment plant;2, font irrigation canals and ditches " are returned ";3, wetland block;4, tail water discharge outlet;5, receiving
River;6, enter river mouth;7, gate;8, liquidometer;9, detour stream wetland irrigation canals and ditches;10, bridge;301, clay;302, coarse sand;
303, gravel;304, zinc-plated mesh sheet;305, emergent aquactic plant.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
It is shown in Figure 1, a kind of artificial swamp for sewage treatment plant tail water advanced treating, including one surround sewage
" returning " the font irrigation canals and ditches 2 that treatment plant 1 excavates, boundary of " time " the font irrigation canals and ditches 2 as sewage treatment plant 1 are existing to replace
Enclosure wall and along wall greenbelt, the plant area of sewage treatment plant 1 and the external world are separated.
The two sides Qu Bi of " time " the font irrigation canals and ditches 2 are staggeredly built with several wetland blocks 3, the wetland staggeredly constructed
Block 3 forms " S " type detour flowing flux in " time " the font irrigation canals and ditches 2, the water inlet of " S " the type detour flowing flux with it is described
The tail water discharge outlet 4 of sewage treatment plant 1 connects, and the water outlet of " S " the type detour flowing flux and receiving river 5 enter river mouth 6
Connection, the design head of " time " the font irrigation canals and ditches 2 is 1~3m, and the design water level of " time " the font irrigation canals and ditches 2 is higher than institute
The ordinary water level in receiving river 5 is stated, to form liquid level difference, provides power for water body gravity flow.
And it sets up on " time " the font irrigation canals and ditches 2 for linking up the bridge 10 inside and outside the sewage treatment plant 1, or
Person does not excavate " S " detour flowing flux at the internal and external channel of the sewage treatment plant 1, and directlys adopt pipeline for channel both sides
The connection of " S " detour flowing flux.
In the actual construction process, " S " type detour flowing flux only need to be excavated on the level land of 1 surrounding of sewage treatment plant, this
Item " S " type detour flowing flux just constitutes " a returning " font irrigation canals and ditches 2 in 1 one weeks around sewage treatment plant, and excavating, " S " type is circuitous
After back return-flow system, " returning " if being just formed simultaneously the staggered original soil plot of dry plug in font irrigation canals and ditches 2;
Shown in Figure 2, the top surface of the wetland block 3 is flushed with ground, and the top surface of the wetland block 3 be higher by it is described
5~10cm of design water level of " returning " font irrigation canals and ditches 2;Three sides of the wetland block 3 are inclined-plane, i.e., the described wetland block 3
Cross section is trapezoidal in bottom is wide, top is narrow, and the gradient on three inclined-planes is 1:1~1:3;The wetland block 3 and institute
State the gate 7 that adjustable area of passage is provided between the canal wall of " returning " font irrigation canals and ditches 2, the water of the 7 upstream and downstream two sides of gate
It is respectively arranged with liquidometer 8 in road, by observing the liquid level difference between the 7 upstream and downstream two sides water channel of gate, controls the lock
The unlatching size of door 7, makes the water level of the 7 upstream and downstream two sides water channel of gate form certain liquid level difference, to increase tail water in institute
State the penetrating power in wetland block 3.
As shown in figure 3 and figure 4, the wetland block 3 is by clay 301, coarse sand 302, gravel 303, zinc-plated mesh sheet 304 and endures for ginseng
Water plant 305 is built-up, and the main part of the wetland block 3 is the original soil plot built up by the clay 301, and reality is just
It is that self-assembling formation one blocks up staggered original soil plot, the top in the original soil plot after excavating " S " type detour flowing flux
The shape of several longitudinal sections is excavated with downwards to fill out for round, square, rectangle or quincuncial pit, the coarse sand 302
It fills in the pit, to increase the penetrating power of the wetland block 3, the gravel 303 is uniformly laid on the original soil plot
Side surface, with a thickness of 20~60cm, and fixed by the zinc-plated mesh sheet 304, the aperture of the zinc-plated mesh sheet 304 is less than institute
The partial size of gravel 303 is stated, the outer surface of the wetland block 3, which is uniformly planted, reed, cattail, canna, yellow flag, iris etc.
The emergent aquactic plant 305.
It is shown in Figure 5, it is circuitous in " S " type if there are certain distances between the artificial swamp and receiving river
The water outlet of back return-flow system and entering for the receiving river 5 excavate and 2 internal structure of " time " font irrigation canals and ditches between river mouth 6
Identical detour stream wetland irrigation canals and ditches 9, drainage or draining and further advanced treating for sewage treatment plant tail water.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of artificial swamp for sewage treatment plant tail water advanced treating, it is characterised in that: including one at sewage
" returning " the font irrigation canals and ditches (2) that factory (1) is excavated are managed, it is wet that the two sides Qu Bi of " time " the font irrigation canals and ditches (2) are staggeredly built with several
Plot (3), the wetland block (3) staggeredly constructed form " S " type detour flowing flux, institute in " go back to " the font irrigation canals and ditches (2)
The water inlet for stating " S " type detour flowing flux is connect with the tail water discharge outlet (4) of the sewage treatment plant (1), " S " the type detour
The water outlet of flowing flux is connect with the river mouth (6) that enters of receiving river (5), and is set up and used on " time " the font irrigation canals and ditches (2)
Bridge (10) inside and outside the communication sewage treatment plant (1);
The wetland block (3) is by clay (301), coarse sand (302), gravel (303), zinc-plated mesh sheet (304) and emergent aquactic plant (305)
Built-up, the main part of the wetland block (3) is the original soil plot built up by the clay (301), the original soil plot
Top be excavated with several pits downwards, the coarse sand (302) is filled in the pit, the gravel (303) uniformly spread
It is located at the side surface in the original soil plot, and fixed by the zinc-plated mesh sheet (304), the aperture of the zinc-plated mesh sheet (304)
Less than the partial size of the gravel (303), the emergent aquactic plant (305) is uniformly planted in the outer surface of the wetland block (3).
2. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
Three sides of wetland block (3) are inclined-plane, i.e., it is trapezoidal that the cross section of the described wetland block (3) is wide in bottom, top is narrow, and three
The gradient on a inclined-plane is 1:1 ~ 1:3.
3. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
The laying depth of gravel (303) is 20 ~ 60cm.
4. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
The shape of the longitudinal section of pit be round, square, rectangle or it is quincunx in any one.
5. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
Emergent aquactic plant (305) is one or more of reed, cattail, canna, yellow flag, iris.
6. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
The design head of " returning " font irrigation canals and ditches (2) is 1 ~ 3m, and the design water level of " time " the font irrigation canals and ditches (2) is higher than the receiving river
The ordinary water level in road (5).
7. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
The top surface of wetland block (3) is flushed with ground, and the top surface of the wetland block (3) is higher by the design of " returning " the font irrigation canals and ditches (2)
5 ~ 10cm of water level.
8. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that: described
The gate (7) of adjustable area of passage is provided between wetland block (3) and the canal wall of " time " the font irrigation canals and ditches (2).
9. the artificial swamp according to claim 8 for sewage treatment plant tail water advanced treating, it is characterised in that: described
Liquidometer (8) are respectively arranged in the water channel of gate (7) upstream and downstream two sides.
10. the artificial swamp according to claim 1 for sewage treatment plant tail water advanced treating, it is characterised in that:
The water outlet of " S " the type detour flowing flux and entering for the receiving river (5) excavate and " time " font between river mouth (6)
The identical detour stream wetland irrigation canals and ditches (9) of irrigation canals and ditches (2) internal structure.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110862198A (en) * | 2019-12-11 | 2020-03-06 | 浙江兴运生态修复技术服务有限公司 | Construction method of arched ecological corridor for purifying low-pollution water entering river |
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2018
- 2018-10-23 CN CN201821721379.5U patent/CN209178086U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110862198A (en) * | 2019-12-11 | 2020-03-06 | 浙江兴运生态修复技术服务有限公司 | Construction method of arched ecological corridor for purifying low-pollution water entering river |
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