CN108191176A - A kind of suspension filter wet land system - Google Patents
A kind of suspension filter wet land system Download PDFInfo
- Publication number
- CN108191176A CN108191176A CN201810227485.6A CN201810227485A CN108191176A CN 108191176 A CN108191176 A CN 108191176A CN 201810227485 A CN201810227485 A CN 201810227485A CN 108191176 A CN108191176 A CN 108191176A
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- Prior art keywords
- filter
- suspension
- water
- unit
- wet land
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- 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
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Filtration Of Liquid (AREA)
- Hydroponics (AREA)
Abstract
The present invention provides a kind of suspension filter wet land systems, suspension filter wet land system includes wetland unit, it further includes set on wetland unit side or extends to suspension filter unit in wetland unit, suspension filter unit includes filtering pond body, it filters pond body and includes bottom of pond and pool wall, filter plate of the pool wall equipped with water retention zone after the filtering area below filtering ponds internal body portion is divided into and the filter of top, suspension filter unit further includes to guide raw water into the intake tunnel to filtering area, suspended filter material is equipped in filtering area, pool wall is equipped with the discharge structure drained into for the water after filter after filter in water retention zone in wetland unit.Suspension filter unit is first passed through before raw water is drained into wetland unit to pre-process, suspended filter material is gathered in the lower section of filter plate under the promotion of raw water and can not pass through filter plate, until compacting is to a certain extent, the process that flow rises, for flow during suspended filter material is penetrated, the suspended particulate of carrying will be suspended filtrate throttling.
Description
Technical field
The present invention relates to ecological environment field of engineering technology, and in particular to a kind of suspension filter wet land system.
Background technology
A kind of ecology water treatment technology of the artificial swamp as prevalence for a long time, there is indomitable, vigorous vitality, with
A variety of concrete forms such as surface low, undercurrent, vertical current have scale application in China four corners of the world each department, manageable
Sewage type is also varied, includes sanitary sewage, industrial wastewater even initial rainwater.It is controlled currently advocating ecology energetically
Under the atmosphere of reason, wet land technique will have larger development space.
In more than 40 years that artificial swamp develops in China, once there is the deformation of tens kinds of technique, but no matter which kind of technique
Deformation mainly includes two factors, first, low temperature to what wet land technique was affected；Second is that siltation（Silting）.
Wet land system of the prior art is mostly if Authorization Notice No. is a utility model disclosed in CN205088006U
Shown in patent, which discloses a kind of compound surface low wet land system of purified water type, which includes Humid Area
Domain main body（That is wetland unit）, in wetland Region main body periphery, inlet channel and braiding channel are set, in use, raw water to be clean by
Inlet channel is discharged into wetland unit, is drained into braiding channel again after the filtering and purification of wetland unit, by wetland unit
Plant raw water is filtered and purified.
But in the prior art, raw water is typically from sanitary sewage, industrial wastewater even initial rainwater, in raw water
In contain more COD（COD）, ammonia nitrogen and other suspended matters, raw water is not preprocessed to be just directly discharged into wetland list
In member, the silting of wetland unit is be easy to cause, leads to the inconvenience of cleaning.Certainly, the problem of similary, exists in current wetland system
In system, vertical-flow wetland system or other compound wet land systems.
Invention content
The purpose of the present invention is to provide a kind of suspension filter wet land system, with solve in the prior art raw water without locating in advance
The problem of reason is discharged into wetland unit and leads to wetland unit easy silting.
To achieve the above object, the technical solution of suspension filter wet land system of the present invention is：
A kind of suspension filter wet land system including wetland unit, further includes set on the wetland unit side or extends to wetland
Suspension filter unit in unit, suspension filter unit include filtering pond body, and filtering pond body includes bottom of pond and pool wall, set on pool wall
There is the filter plate of water retention zone after the filter of the filtering area that filtering ponds internal body portion is divided into lower section and top, suspension filter unit also wraps
It includes for guiding raw water to the intake tunnel in the filtering area, filtering area is interior to be equipped with suspended filter material, and pool wall is equipped with for filtering
The water after filter in water retention zone drains into the discharge structure in wetland unit afterwards.
The beneficial effects of the invention are as follows：Suspension filter wet land system provided by the invention includes wetland unit, further includes outstanding
Floating filter element, suspension filter unit include filtering pond body, and filtering pond body includes bottom of pond and pool wall, and pool wall is equipped with filter plate, filter
The lower section of plate is filtering area, suspended filter material is equipped in filtering area, the top of filter plate is water retention zone after filter, and filtering area is communicated with into water
Channel is provided with discharge structure on pool wall, is drained into wetland unit for the water after filter of water retention zone after filter.In the present invention, inciting somebody to action
Raw water, which is drained into before wetland unit, to be first passed through suspension filter unit and is pre-processed, in use, suspended filter material is under the promotion of raw water
Be gathered in the lower section of filter plate and can not be by filter plate, until compacting is to a certain extent, the process that flow rises, flow penetrate it is outstanding
During floating filtrate, the suspended particulate of carrying will be suspended filtrate throttling, realize reverse flow filtering, head loss is more
It is small.Using suspension filter unit in the present invention, first pre-processed before raw water is discharged into wetland unit, reduce in raw water and suspend
The content of object, effectively prevents the silting of wetland unit, while contrast experiment shows suspension filter and wetland unit combines
30% and 45% has been respectively increased to the removal of COD and ammonia nitrogen than simple wetland unit in mode, has been more effectively prevented from wetland
The silting of unit.
Further, the bottom of pond of the filtering pond body is equipped with the suspension filter distributing channel for forming the intake tunnel, described
Suspension filter distributing channel has the extension inlet segment being extended to the over outside the body of filter tank.
Further, extension inlet segment side is equipped with inlet channel, be equipped between the inlet channel and extension inlet segment for into
The downflow weir in raw water overflow to extension inlet segment in water channel.
Further, the filtering pond body sinking is arranged in the side of wetland unit or extends in wetland unit, with drop
The elevation of the low suspension filter distributing channel.
Further, the wetland unit includes the surface-flow part adjacent with the suspension filter unit, draining knot
Structure includes being set on the pool wall top of filtering pond body and for the overflow of the water after filter overflow in water retention zone after filter to surface-flow part
Top.
Further, overflow launder is offered at the top of the pool wall, the slot bottom of the overflow launder forms the overflow top
End.
Further, suspension filter wet land system further includes the surface low between water retention zone and surface-flow part after filter
Distributing channel, surface low distributing channel includes with the pool wall arranged for interval and forms the mill weir of matching of paring chamber, described to have confession with mill weir
The uniform overflow of water in paring chamber to surface-flow part top.
Further, the elevation on the overflow top is more than the elevation at water distribution weir crest end, so that after filter in water retention zone
Water after filter is fallen into the paring chamber.
Further, with to the filter that suspends in water retention zone after water reflux of the pool wall equipped with water supply and distribution intracavitary is extremely filtered
Expect the recoil hole flushing cleaned.
Further, the recoil hole flushing is bellmouth, and bellmouth has the small bore end towards water retention zone after filter, also has
Towards the big nose end of paring chamber.
Description of the drawings
Fig. 1 is the vertical view of suspension filter wet land system embodiment 1 of the present invention；
Fig. 2 is the enlarged drawing at extension inlet segment in Fig. 1；
Fig. 3 is the sectional view at suspension filter unit in Fig. 1；
Fig. 4 is the vertical view of suspension filter wet land system embodiment 2 of the present invention；
Fig. 5 is the sectional view at suspension filter unit in Fig. 4.
Specific embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the suspension filter wet land system of the present invention, as shown in Figure 1 to Figure 3, the present embodiment is wet with surface low
It is illustrated for ground system, the wet land system in the present embodiment is smaller suitable for surface-flow hydraulic loading, and processing water is small
In equal to 1000m3The situation of/d.
Wet land system includes surface-flow unit 1, and surface-flow unit 1 includes soil and plantation in the wet of soil surface
Ground plant.The side of surface-flow unit 1 is provided with suspension filter unit, the suspension filter unit of the present embodiment extends to table
Flow the inside of wetland unit 1.The principle of suspension filter unit can be using application reference publication No. as disclosed in CN103977611A
Application for a patent for invention.
Suspension filter unit includes the suspension filter pond body being embedded in downwards in soil it can be seen from Fig. 3, suspends
Filter tank body includes the bottom of pond 15 of the spaced apart pool wall 10 in left and right and left and right extension, and pool wall 10 stretched into soil, pool wall 10 it is upper
End extends to the upper end of soil surface.Horizontal filter plate 3 is fixed between the middle section of two pool walls 10, on filter plate 3
Offer it is multiple supply water across perforation.Multiple filters are installed on filter plate 3（It is unmarked in figure）, the filter is for suspending
Suspended filter material 13 in filter element is backwashed.Space in suspension filter pond body is divided on filter plate 3 by filter plate 3
Water retention zone 12 and the filtering area 11 between filter plate 3 and bottom of pond 15 after the filter of side.There is certain thickness in filtering area 11
Suspended filter material 13, the density ratio water of suspended filter material 13 is small, can be suspended in filtering area 11 and top pressure is in the lower section of filter plate 3.
As seen from Figure 1, arranged for interval has multiple spandrel girders along the longitudinal direction between two pool walls, by filter plate point
Into spaced apart multiple portions along the longitudinal direction, prevent the filter plate load-bearing of monoblock type is too big to be inconvenient to install, improve simultaneously
Safety when using.
Suspension filter distributing channel 14 is offered in bottom of pond 15, suspension filter distributing channel 14 extends along the longitudinal direction, suspends
Filtering distributing channel 14 is connected with the filtering area 11 of suspension filter unit, for being passed through untreated raw water into filtering area 11.
According to above-mentioned statement, filtering pond body is sunk in soil, can reduce the elevation of suspension filter distributing channel 14, is entered in raw water
It does not need to raise raw water during suspension filter distributing channel 14（Or it reduces and raises height）, natural filtration is realized without very important person
Work is intervened again.
Suspension filter distributing channel 14 extands rearward to the outside of suspension filter pond body and has and prolong it can be seen from Fig. 2
Stretch inlet segment 4.Extension inlet segment 4 is used to facilitate being passed through for raw water.It is respectively arranged in the left and right sides of extension inlet segment 4 into water
Canal 5 is kept apart between inlet channel 5 and extension inlet segment 4 by downflow weir 6.Cover board is packaged on extension inlet segment 4, is being covered
Water inlet pipe 7 is fixed on plate, water inlet pipe 7 is connected with suspension filter distributing channel 14.During water inlet, by external raw water be first passed through into
In water channel 5, when height of the liquid level in inlet channel 5 higher than 6 top of downflow weir, the raw water in inlet channel 5 overflows across downflow weir 6 simultaneously
Entered in suspension filter distributing channel 14 by water inlet pipe 7.Certainly, in other embodiments, water inlet pipe 7 can be cancelled and makes to prolong
The top for stretching inlet segment 4 is opened wide, and the raw water for overflowing across downflow weir 6 is made to be directly entered in suspension filter distributing channel 14.
It is spaced along the longitudinal direction on the pool wall top of suspension filter unit and is uniformly provided with 16 overflow launders 9, per side 8,
The groove width along the longitudinal direction of single overflow launder 9 is equal to the 1/24 of suspension filter pond body length（Certainly, in other embodiments,
Quantity, groove width and the slot height of overflow launder 9 can be redesigned according to actual conditions）, after the filter in water retention zone after filter 12
Water flows to surface low wetland unit 1 by overflow launder 9.Wetland is additionally provided between suspension filter unit and surface-flow unit 1
Distributing channel, wetland distributing channel separate water retention zone after filter 12 and surface-flow unit 1, have paring chamber in wetland distributing channel.It is wet
Ground distributing channel is included close to surface-flow unit with mill weir 2, and in the present embodiment, the slot bottom ratio of overflow launder 9 is risen with mill weir 2
0.3m so that the clear water after filter in water retention zone 12 is dropped after overflow launder 9 into wetland distributing channel, carries out air reaeration.
In the present embodiment, the top with mill weir 2 is in sustained height, for carrying out water distribution uniformity to surface-flow unit 1.
In order to realize the backwash to suspended filter material 13 in suspension filter unit, in of the invention, in the position of two pool walls 10
Arranged for interval has two layers of wall-through hole 8 along the vertical direction on the part of water retention zone 12 after the filter, and every layer of wall-through hole 8 is along the longitudinal direction
Uniform intervals arrange that wall-through hole 8 connects water retention zone 12 and wetland distributing channel after filter.During normal use, in order to make more clear water
It is fallen into wetland distributing channel and is flowed to again in surface low wetland unit 1 by overflow launder 9, wall-through hole 8 is designed as to shape as shown in Figure 3
Shape, one end aperture of water retention zone 12 is smaller after filter（In the present embodiment, the sum of end gross area of each wall-through hole 8 is filter
The 1/4 of effective cross sectional area can be redesigned in other embodiments according to actual conditions）, when reducing normal use
By entering the water flow in wetland distributing channel in wall-through hole 8.One end aperture of the close wetland distributing channel of wall-through hole 8 is larger（This
In embodiment, the sum of end gross area of each wall-through hole 8 is equal to filter effective cross sectional area, in other embodiments can basis
Actual conditions are redesigned）, when being backwashed to suspended filter material 13 increase by wall-through hole enter filter after water retention zone
Interior water flow, also, when the water in wetland distributing channel passes through wall-through hole, aperture tapers into, and flow velocity increases, and accelerates water
Flow velocity degree and water flow.
The specific embodiment 2 of the suspension filter wet land system of the present invention, as shown in Figure 4 and Figure 5, suitable for when processing water
It is less than or equal to 2000m more than 10003The situation of/d, in the present embodiment, the quantity of suspension filter unit 1 for two and left and right side by side
Arrangement.In other embodiments, it is set according to the quantity of how many pairs of suspension filter units 1 of processing water.
In other embodiments, can according to processing water number select the quantity of suspension filter unit and arrangement
Mode.
In the above embodiments, suspension filter unit is all extended in wetland unit, in other embodiments, can will be hanged
Floating filter element is arranged on the side of wetland unit, such as by suspension filter unit around the peripheral distribution of wetland unit.
In the above embodiments, the slot bottom of overflow launder forms overflow top, and overflow top is constituted for water retention zone after filter
Interior water after filter drains into the discharge structure in wetland unit.In other embodiments, overflow launder can be cancelled, makes water storage after filter
Water after filter flood irrigation in area, but this method may not generate the effect that water after filter is fallen.
In the present embodiment, all surface-flow parts of wetland unit, the mode on overflow top is suitable for surface-flow portion
Point, in other embodiments, wetland unit can be compound wetland unit, including adjacent with suspension filter unit
Surface-flow part.
Include surface-flow part in the above embodiments, when not including surface-flow part in wetland unit,
For example when wetland unit is subsurface flow wetland unit, discharge structure can be osculum being opened on pool wall etc.；When wetland list
When member is vertical-flow wetland unit, discharge structure can be drainage pipeline being set on pool wall etc..
In the present embodiment, wetland distributing channel is surface low distributing channel.Wall-through hole constitutes recoil hole flushing.Recoil hole flushing has
The small bore end of water retention zone after filter also has the big nose end close to paring chamber.
Claims (10)
1. a kind of suspension filter wet land system, including wetland unit, it is characterised in that：It further includes set on the wetland unit side
Or extend to suspension filter unit in wetland unit, suspension filter unit includes filtering pond body, filtering pond body include bottom of pond and
Pool wall, filter plate of the pool wall equipped with water retention zone after the filtering area below filtering ponds internal body portion is divided into and the filter of top, hangs
Floating filter element is further included for guiding raw water to the intake tunnel in the filtering area, and filtering area is interior to be equipped with suspended filter material,
Pool wall is equipped with the discharge structure drained into for the water after filter after filter in water retention zone in wetland unit.
2. suspension filter wet land system according to claim 1, it is characterised in that：The bottom of pond of the filtering pond body is equipped with shape
Into the suspension filter distributing channel of the intake tunnel, the suspension filter distributing channel has the extension being extended to the over outside the body of filter tank
Inlet segment.
3. suspension filter wet land system according to claim 2, it is characterised in that：Extend inlet segment side and be equipped with water inlet
Canal is equipped between the inlet channel and extension inlet segment for the raw water overflow in inlet channel to the downflow weir extended in inlet segment.
4. suspension filter wet land system according to claim 2, it is characterised in that：The filtering pond body sinking is arranged in wet
The side of ground unit is extended in wetland unit, to reduce the elevation of the suspension filter distributing channel.
5. the suspension filter wet land system according to any one in claim 1-4, it is characterised in that：The wetland unit
Including the surface-flow part adjacent with the suspension filter unit, discharge structure include being set on the pool wall top of filtering pond body and
For the overflow top of the water after filter overflow in water retention zone after filter to surface-flow part.
6. suspension filter wet land system according to claim 5, it is characterised in that：Overflow is offered at the top of the pool wall
Slot, the slot bottom of the overflow launder form the overflow top.
7. suspension filter wet land system according to claim 5, it is characterised in that：Suspension filter wet land system, which further includes, to be set
Surface low distributing channel after filter between water retention zone and surface-flow part, surface low distributing channel are included with the pool wall arranged for interval simultaneously
The mill weir of matching of paring chamber is formed, it is described that there is the uniform overflow of water of water supply and distribution intracavitary to the top of surface-flow part with mill weir.
8. suspension filter wet land system according to claim 7, it is characterised in that：The elevation on the overflow top is more than and matches
The elevation on mill weir top, so that the water after filter after filter in water retention zone is fallen into the paring chamber.
9. suspension filter wet land system according to claim 7, it is characterised in that：The pool wall is equipped with water supply and distribution intracavitary
Recoil hole flushing of the water reflux to after filtering in water retention zone to be cleaned to the suspended filter material.
10. suspension filter wet land system according to claim 9, it is characterised in that：The recoil hole flushing is bellmouth, is bored
Shape hole has the small bore end towards water retention zone after filter, also has the big nose end towards paring chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227485.6A CN108191176B (en) | 2018-03-20 | 2018-03-20 | Suspension filtering wetland system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227485.6A CN108191176B (en) | 2018-03-20 | 2018-03-20 | Suspension filtering wetland system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108191176A true CN108191176A (en) | 2018-06-22 |
| CN108191176B CN108191176B (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810227485.6A Active CN108191176B (en) | 2018-03-20 | 2018-03-20 | Suspension filtering wetland system |
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| CN (1) | CN108191176B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130021089A (en) * | 2011-08-22 | 2013-03-05 | 주식회사 케이.씨 리버텍 | Back washing floating wetland and vegetation settling system |
| CN103172165A (en) * | 2013-03-29 | 2013-06-26 | 华南理工大学 | Suspended ceramic biological aerated pool and method for treating raw water by applying suspended ceramsite biological aerated pool |
| CN103977611A (en) * | 2014-05-22 | 2014-08-13 | 黄河勘测规划设计有限公司 | Suspended filtering system |
| CN204474420U (en) * | 2015-03-06 | 2015-07-15 | 成都绿源新创环保科技有限公司 | A kind of periphery circulation type artificial swamp |
| KR101590408B1 (en) * | 2015-07-31 | 2016-02-01 | 주식회사 우리종합기술 | Small-scale sewage and wastewater treatment system |
| JP2017177044A (en) * | 2016-03-31 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Water collection mechanism and gravity-based filter basin with the water collection mechanism |
-
2018
- 2018-03-20 CN CN201810227485.6A patent/CN108191176B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130021089A (en) * | 2011-08-22 | 2013-03-05 | 주식회사 케이.씨 리버텍 | Back washing floating wetland and vegetation settling system |
| CN103172165A (en) * | 2013-03-29 | 2013-06-26 | 华南理工大学 | Suspended ceramic biological aerated pool and method for treating raw water by applying suspended ceramsite biological aerated pool |
| CN103977611A (en) * | 2014-05-22 | 2014-08-13 | 黄河勘测规划设计有限公司 | Suspended filtering system |
| CN204474420U (en) * | 2015-03-06 | 2015-07-15 | 成都绿源新创环保科技有限公司 | A kind of periphery circulation type artificial swamp |
| KR101590408B1 (en) * | 2015-07-31 | 2016-02-01 | 주식회사 우리종합기술 | Small-scale sewage and wastewater treatment system |
| JP2017177044A (en) * | 2016-03-31 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Water collection mechanism and gravity-based filter basin with the water collection mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 全国爱国卫生运动委员会办公室: "水利水电工程施工组织设计手册 第4卷 辅助企业", 化学工业出版社 * |
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| CN108191176B (en) | 2024-02-27 |
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Country or region after: China Address after: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Applicant after: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. Address before: 450003 No. 109 Jinshui Road, Jinshui District, Henan, Zhengzhou Applicant before: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. Country or region before: China |
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