CN108083578A - A kind of preposition cleaning system of water body and its construction method being used for into water section - Google Patents
A kind of preposition cleaning system of water body and its construction method being used for into water section Download PDFInfo
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- CN108083578A CN108083578A CN201711442491.5A CN201711442491A CN108083578A CN 108083578 A CN108083578 A CN 108083578A CN 201711442491 A CN201711442491 A CN 201711442491A CN 108083578 A CN108083578 A CN 108083578A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 226
- 238000004140 cleaning Methods 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 55
- 239000011941 photocatalyst Substances 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims abstract description 39
- 239000004411 aluminium Substances 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000000746 purification Methods 0.000 claims abstract description 16
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 20
- 238000012856 packing Methods 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 18
- 238000005273 aeration Methods 0.000 claims description 12
- 241000894006 Bacteria Species 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
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- 125000006850 spacer group Chemical group 0.000 claims description 5
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- 238000013461 design Methods 0.000 claims description 4
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- 239000002362 mulch Substances 0.000 claims 1
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- 231100000719 pollutant Toxicity 0.000 abstract description 22
- 230000009467 reduction Effects 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- 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
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- 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
Abstract
The present invention relates to a kind of preposition cleaning systems of water body and its construction method being used for into water section, the preposition cleaning system of water body includes the pretreatment unit set gradually along water (flow) direction, biomembrane purification unit and photocatalyst clean unit, the pretreatment unit includes setting water blocking gabion in the upstream direction, the rubber dam being arranged on after the water blocking gabion and the setting pot being arranged between the water blocking gabion and rubber dam, the biomembrane purification unit includes being arranged on contact-oxidation pool between the gravel in the rubber dam downstream and is arranged on the anaerobic organism pond in contact-oxidation pool downstream between the gravel, the photocatalyst clean unit includes the boulder bed being embedded in water body substrate, the aluminium base TiO being arranged on above the boulder bed2Grid and one end are fixed on aluminium base TiO2Artifical aquatic fiber on grid.The present invention can effectively be lowered into lake and administer the pollutant in the river water of section, the pollutant burden in reduction water.
Description
Technical field
The present invention relates to ecological environment field, more particularly to it is a kind of be used for into water section the preposition cleaning system of water body and
Its construction method is particularly suitable for the purification and processing of lake or river controlling projects section upland water.
Background technology
The main problem that river faces at present is that urban river water is seriously polluted, ecosystem degradation, only by river in itself
Self-purification capacity is not enough to keep water quality and recovers ecology.The purpose that river channel ecology is administered is：Pass through energy in guarantee river river water
On the premise of power, purifying river water environment recovers river ecosystem.But river, lake upland water have with oxygen consumption
Organic pollutants and nitrogen, the input of phosphorus recycling, can deteriorate the water environment state of harness a river section or lake and Ecology function, add
The load of weight river and lake harnessing project, while it is unfavorable for the formation of water body self-purification ability and the recovery of aquatic ecosystem.
The preposition cleaning system for entering water section in river or lake has been supervened as a result,.So-called preposition cleaning system is just
It is that the pollutant in polluted water body is retained, purified by utilizing works measure or structures, it is not allowed to fully enter to be protected
In shield or the water body administered.Preposition reservoir is to apply the most common preposition control techniques in the processing of river pollution of area source at present,
But its structure is single, and mainly handles water pollutant by precipitation and interception function.Therefore, for lake or river regulation work
The water body of journey section, it is necessary to significantly more efficient method be taken to reduce the pollutant of its storage.
The content of the invention
It is defeated due to the pollutant in upland water the purpose of the present invention is being directed to lake or river controlling projects section water body
Enter and water pollution load is caused to rise, the problem of Ecology function deteriorates, propose that a kind of water body being used for into water section is preposition
Cleaning system and its construction method.The preposition cleaning system built by the present invention carries out upland water in river preposition net
Change is handled, and makes in improvement river or water environment situation and Ecology function are protected in lake.
To achieve the above object, the present invention provides a kind of preposition cleaning system of water body being used for into water section, the water
Pretreatment unit, biomembrane purification unit and the photocatalyst that the preposition cleaning system of body includes setting gradually along water (flow) direction purify
Unit, the pretreatment unit include setting water blocking gabion in the upstream direction, the rubber being arranged on after the water blocking gabion
Dam and the setting pot being arranged between the water blocking gabion and rubber dam, the biomembrane purification unit include being arranged on described
Contact-oxidation pool and the anaerobic organism pond in contact-oxidation pool downstream between the gravel is arranged between the gravel in rubber dam downstream, the light
Catalytic control unit includes the boulder bed being embedded in water body substrate, the aluminium base TiO being arranged on above the boulder bed2Grid
And one end is fixed on aluminium base TiO2Artifical aquatic fiber on grid.
Preferably, the ratio of the height of the water blocking gabion and thickness is 3:1, the water blocking gabion inside fills grain size and is
The gravel of 30~50cm；The rubber dam is arranged on rear side of the water blocking gabion at 500cm, the highest water blocking water of the rubber dam
Position is identical with flood level, and the minimum water blocking water level of the rubber dam is identical with mean minimum position.
Preferably, between the gravel contact-oxidation pool by be arranged on upstream and the first concrete walls being connected vertical with shore protection,
It is arranged on the first concrete walls downstream and the second concrete walls being connected vertical with shore protection and concrete cover forms closing
Pond body space, the gradient of the bottom of contact-oxidation pool along water (flow) direction down-set 8%~12% between the gravel, described first is mixed
The bottom of solidifying cob wall is provided with water inlet, and the second concrete walls top is equipped with what is be connected with anaerobic organism pond top
First water outlet, the second concrete walls bottom set sludge pipe, the sludge pipe through anaerobic organism pond substrate with
The boulder bed is connected, and the spoil disposal pipe end is equipped with flow valve.
Preferably, the gravel of 25~100cm of grain size is filled in the gravel contact-oxidation pool, the grain size of gravel is from bottom to top
Laying of successively decreasing forms gravel layer, and middle part is equipped with aeration tube in the gravel layer.
Preferably, the anaerobic organism pond by second concrete walls, be arranged on the second concrete walls downstream and with shield
Vertical the 3rd connected concrete walls of bank and concrete cover form the pond body space of closing, and anaerobic organism pond substrate is
The concrete layer of the sludge pipe is wrapped up, the bottom in the anaerobic organism pond is equipped with what is be connected with the photocatalyst clean unit
Second water outlet is disposed with water distribution boulder bed, biologic packing material layer, tyre crumbs in the anaerobic organism pond from bottom to top
Layer.
Preferably, the thickness of the tyre crumbs layer and the biologic packing material layer thickness are than 1:3, the water distribution boulder bed
Thickness is 30~50cm, and the biologic packing material layer is by fine coal block and includes the Zeolite-bio filler of denitrifying bacteria with volume ratio
1:4 mixing fillings are laid with, and grain diameter is 1~3cm in the tyre crumbs layer, packing material size in the biologic packing material layer
For 3~5cm, cobble grain size is 5~10cm in the water distribution boulder bed.
Preferably, the photocatalyst clean unit by the 3rd concrete walls, be arranged on the 3rd concrete walls downstream and
Pond body space is formed with vertical the 4th concrete walls being connected of shore protection, the height of the 4th concrete walls is the first concrete walls
The half of height, the aluminium base TiO2The Artifical aquatic fiber that one row's length is 30~70cm is set every 50cm on grid,
Interior kind of the photocatalyst clean unit is implanted with submerged plant.
Preferably, the thickness of the boulder bed is 70cm, and the grain size of cobble is 20~30cm in boulder bed；The aluminium base
TiO2The thickness of the frame of grid is 5cm, aluminium base TiO2The net thickness of grid is 2cm, the aluminium base TiO2The grid of grid
Screen distance is 5cm, the aluminium base TiO2Grid both ends are connected respectively with the 3rd concrete walls, the 4th concrete walls, the light
It is equipped in catalytic control unit and supports the aluminium base TiO2The spacer bar of grid.
Preferably, contact-oxidation pool is arranged at the rubber dam downstream 200cm between the gravel, catalytic oxidation between the gravel
The height in pond is higher than river ordinary water level；Second concrete walls are located at first 400~800cm of concrete walls downstream, described
3rd concrete walls are located at the second coagulation wall 200~400cm of downstream, and it is mixed that the photocatalyst clean unit is arranged on the 3rd
At solidifying cob wall downstream 100cm, the length of the photocatalyst clean unit is 1000cm, and the bottom of the boulder bed is embedded in water body base
The depth at bottom is 70cm.
Another object of the present invention is to a kind of construction methods of the preposition cleaning system of water body, it is characterised in that：Including adopting
With the following steps structure preposition cleaning system of water body：
A, interim interception dam is built in the upstream of water body, dredging, antiseepage and smooth processing are carried out to water body substrate, and in life
Object film clean unit and the lower digging on request of photocatalyst clean unit position；
B, contact-oxidation pool between water blocking gabion, rubber dam, gravel, anaerobic organism pond and light is constructed successively by design requirement to touch
Matchmaker's clean unit, wherein, between gravel contact-oxidation pool, sealed with concrete cover at the top of anaerobic organism pond, contacted between the gravel
At the top of oxidation pond and anaerobic organism pond and air insulated；
C, after building engineering, interim interception dam is removed, letdown flow is adjusted using rubber dam, pass through the lower stream stream that sluices
Speed ensures that hydraulic detention time is 3~5h, while water is let out under and carries out natural aeration oxygenation in the process；
D, after contact-oxidation pool often runs 4~6 months between gravel, the first water outlet, the second water outlet are closed, opens sludge pipe
Flow valve, backwash spoil disposal is carried out contact-oxidation pool gravel；
E, when flood comes interim, the rubber dam is preferably minimized height, and simultaneously close off water inlet, the first water outlet,
Second water outlet.
Based on above-mentioned technical proposal, it is an advantage of the invention that：
The preposition cleaning system of water body of the present invention can pass through contact-oxidation pool, anaerobic organism pond and light between water blocking gabion, gravel
SS, ammonia nitrogen, nitrate nitrogen, total phosphorus and harmful bacteria in the effective purified water of catalytic control unit, can effectively be lowered into lake and
Administer the pollutant in the river water of section, the pollutant burden in reduction water.The present invention is best suited for lake water inlet upper reach,
Also it can be set in river upstream to be administered, effectively reduce the pollutant burden in pollutant, reduction water.
Description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description does not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is for entering the preposition cleaning system of water body of water section.
Specific embodiment
Below by drawings and examples, technical scheme is described in further detail.
Embodiment 1
The present invention provides a kind of preposition cleaning system of water body being used for into water section, as shown in Figure 1, this is shown
A kind of preferred embodiment of invention.The present invention provides one kind and builds water cleaning systems in lake or river controlling projects section upstream,
Guarantee is administered in river or the preposition purification of water body in lake quality.By administering in river or the pre- place of lake upper reach structure
Manage unit, biomembrane purification unit and photocatalyst clean unit, reached by three unit collective effects reduce total nitrogen in water body,
The purpose of total phosphorus, COD and SS.
Specifically, the preposition cleaning system of the water body includes the pretreatment unit, the biomembrane that are set gradually along water (flow) direction A
Clean unit and photocatalyst clean unit, the pretreatment unit include setting water blocking gabion 1 in the upstream direction, set
Rubber dam 4 after the water blocking gabion 1 and the setting pot 3 being arranged between the water blocking gabion 1 and rubber dam 4, it is described
Biomembrane purification unit, which includes being arranged between the gravel in 4 downstream of rubber dam contact-oxidation pool and is arranged between the gravel, to be contacted
The anaerobic organism pond in oxidation pond downstream, the photocatalyst clean unit include the boulder bed 17 being embedded in water body substrate 20, set
Put the aluminium base TiO above the boulder bed 172Grid 18 and one end are fixed on aluminium base TiO2Artificial water on grid 18
Grass fiber 16.
Using inflow direction as front, the pretreatment unit is by being in the rubber dam of the water blocking gabion 1 of forefront, rear side
4 and the setting pot 3 that is formed therebetween form.The water blocking gabion 1 is arranged on river bed and is connected with channel revetment, height
(it can meet within 5 years one according to River Flood standard or 10 years one meet), be set by its flood level, thickness is adjusted according to height, preferably
Ground, the height of the water blocking gabion 1 and the ratio of thickness are 3:1, the 1 inside filling grain size of water blocking gabion is 30~50cm's
Gravel.Rubber dam 4 is set at the 1 rear side 500cm of water blocking gabion, and highest water blocking water level should identical with river flood position (5
Meet in year one or 10 years one meet), by river, mean minimum bit line is set minimum water blocking water level for many years, can be according to river discharge adjusting water
Position height.It is setting pot 3 between the water blocking gabion 1 and the rubber dam 4, plays the role of precipitating suspended matter.The rubber
Dam 4 plays an important role of adjusting flow, ensures the cleaning system hydraulic detention time of rear side in 4~6h.
As shown in Figure 1, the biomembrane purification unit is arranged at the 4 downstream 200cm of rubber dam, mainly by being arranged on
Anaerobic organism pond two parts of contact-oxidation pool and rear side are formed between the gravel of front side.
Contact-oxidation pool height is slightly above river ordinary water level between the gravel, it is preferable that contact-oxidation pool is by setting between the gravel
Put upstream and the first concrete walls 6 being connected vertical with shore protection, be arranged on 6 downstream of the first concrete walls and with the vertical phase of shore protection
The second concrete walls 8 even and concrete cover form the pond body space of closing.The bottom edge of contact-oxidation pool between the gravel
The gradient of water (flow) direction A down-set 8%~12%.The bottom of first concrete walls 6 is provided with water inlet 5, it is described into
The mouth of a river 5 is the grid with gate of framework of steel reinforcement support, and the height of water inlet 5 can utilize gate to adjust, and outside sets thick
Fine fack.Second concrete walls 8 are located at 6 400~800cm of rear side of the first concrete walls, on second concrete walls 8
Portion is equipped with the first water outlet 9 being connected with anaerobic organism pond top, and the first water outlet 9 carries for framework of steel reinforcement support
The grid of gate is both the water outlet of a contact-oxidation pool and the water inlet in anaerobic organism pond, and height can be according to water
Water and flow velocity are adjusted using gate, ensure hydraulic detention time.
Preferably, 8 bottom of the second concrete walls sets 3~5 sludge pipes 12, and the sludge pipe 12 is detested through described
Oxygen biological tank substrate is connected with the boulder bed 17,12 end of sludge pipe be equipped with can freely openable flow valve.It is preferred that
Ground, the gravel of 25~100cm of the interior filling grain size of the gravel contact-oxidation pool, the grain size of gravel successively decrease to be laid with from bottom to top and be formed
Gravel layer, the interior middle part of the gravel layer are equipped with aeration tube 7, water body can be aerated, remove nutriment.The gravel is indirect
Tactile oxidation pond is arranged at the 4 downstream 200cm of rubber dam, and the height of contact-oxidation pool is higher than river ordinary water level 2 between the gravel.
Preferably, the anaerobic organism pond by second concrete walls 8, be arranged on 8 downstream of the second concrete walls and with
Vertical the 3rd connected concrete walls 15 of shore protection and concrete cover form the pond body space of closing, anaerobic organism pond base
Bottom is the concrete layer for wrapping up the sludge pipe 12.3rd concrete walls 15 be located at the rear side of the second coagulation wall 8 200~
At 400cm, bottom is provided with grid-like second water outlet 14 of gate, and the height of second water outlet 14 can be according to next
Water water and flow velocity are adjusted using gate, ensure hydraulic detention time.
Water distribution boulder bed 10, biologic packing material layer 13, tyre crumbs are disposed in the anaerobic organism pond from bottom to top
Layer 11.Wherein, the thickness of the tyre crumbs layer 11 and 13 thickness ratio 1 of biologic packing material layer:3, the water distribution boulder bed 10
Thickness for 30~50cm, the biologic packing material layer 13 is by fine coal block and includes the Zeolite-bio filler of denitrifying bacteria with body
Product ratio 1:4 mixing fillings are laid with, and grain diameter is 1~3cm in the tyre crumbs layer 11, in the biologic packing material layer 13
Packing material size is 3~5cm, and cobble grain size is 5~10cm in the water distribution boulder bed 10.
As shown in Figure 1, the photocatalyst clean unit by the 3rd concrete walls 15, be arranged on the 3rd concrete walls 15
Downstream and form pond body space with vertical the 4th concrete walls 19 that are connected of shore protection.The photocatalyst clean unit is arranged on the 3rd
At 15 downstream 100cm of concrete walls, the length of the photocatalyst clean unit is 1000cm, and the bottom of the boulder bed 17 is embedded in
The depth of water body substrate 20 is 70cm.The height of 4th concrete walls 19 is the half of 6 height of the first concrete walls, described
Photocatalyst clean unit intrenched stream bed portions point are laid with boulder bed 17, and aluminium base TiO is set up above riverbed2Grid 18, along current side
The Artifical aquatic fiber 16 of one platoon leader about 30~70cm is set to A every 50cm.
Preferably, the thickness of the boulder bed 17 is 70cm, and the grain size of cobble is 20~30cm in boulder bed 17；The aluminium
Base TiO2The thickness of the frame of grid is 5cm, aluminium base TiO2The net thickness of grid 18 is 2cm, the aluminium base TiO2Grid 18
Grid screen distance be 5cm, the aluminium base TiO218 both ends of grid respectively with the 3rd concrete walls 15, the 4th concrete walls 19
It is connected, is equipped in the photocatalyst clean unit every 100cm and supports the aluminium base TiO2The spacer bar of grid 18.It is described
16 upper end of Artifical aquatic fiber is fixed on aluminium base TiO2On grid 18, lower end can exist with current shifting, photocatalyst clean unit
Planting submerged plant can be planted after operation a period of time, enhances ecological functions.
The preposition cleaning system of water body of the present invention can pass through contact-oxidation pool, anaerobic organism pond and light between water blocking gabion, gravel
SS, ammonia nitrogen, nitrate nitrogen, total phosphorus and harmful bacteria in the effective purified water of catalytic control unit, can effectively be lowered into lake and
Administer the pollutant in the river water of section, the pollutant burden in reduction water.The present invention is best suited for lake water inlet upper reach,
Also it can be set in river upstream to be administered, effectively reduce the pollutant burden in pollutant, reduction water.
Embodiment 2
The present invention also provides a kind of construction methods of the preposition cleaning system of water body, it is characterised in that：Including using as follows
The step structure preposition cleaning system of water body：
A, interim interception dam is built in the upstream of water body, to water body substrate 20 progress dredging, antiseepage and smooth processing, and
Biomembrane purification unit and the lower digging on request of photocatalyst clean unit position；
B, contact-oxidation pool, anaerobic organism pond and light between water blocking gabion 1, rubber dam 4, gravel are constructed successively by design requirement
Catalytic control unit, wherein, between gravel contact-oxidation pool, sealed with concrete cover at the top of anaerobic organism pond, the gravel is indirect
It touches at the top of oxidation pond and anaerobic organism pond and air insulated；
C, after building engineering, interim interception dam is removed, letdown flow is adjusted using rubber dam 4, is flowed by lower sluice
Flow velocity ensures that hydraulic detention time is 3~5h, while water is let out under and carries out natural aeration oxygenation in the process；
D, after contact-oxidation pool often runs 4~6 months between gravel, the first water outlet 9, the second water outlet 14 are closed, the row of opening
The flow valve of mud pipe 12 carries out backwash spoil disposal to contact-oxidation pool gravel；
E, when flood temporarily, the rubber dam 4 to be preferably minimized highly, and simultaneously closes off water inlet 5, the first water outlet
9th, the second water outlet 14.
Construction method for the preposition cleaning system of water body being illustrated more clearly that in the present embodiment, on certain lake water inlet
Trip illustrates exemplified by section.Average of normal water-levels is 2m, low water level 1.5m for many years for the section；Its flood control standard is 10 years one
It meets, flood level 3m.
Scene prepares：Interim interception dam is built in the upstream of the river section, dredging, antiseepage and smooth place are carried out to riverbed
Reason digs down riverbed on request in gravel contact chamber and photocatalyst processing pond position.
Build the preposition cleaning system of water body：Construct catalytic oxidation between water blocking gabion 1, rubber dam 4, gravel successively by design requirement
Pond, anaerobic organism pond and photocatalyst clean unit.Wherein, 1 height of water blocking gabion is 300cm, thickness 100cm；Rubber dam 4
It is arranged to that water level can be adjusted in 150cm to 300cm height.
First concrete walls 6 are connected with river bed, riverbank, are highly 200cm, and lower end sets reinforcing bar with riverbed junction
The grid-like water inlet 5 with gate of frame support, the height of water inlet 5 is 50cm.Contact-oxidation pool foundation slope is set between gravel
For 10%, length 500cm；Second concrete walls 8 build contact-oxidation pool substrate between gravel in and are connected with riverbank, are highly
250cm.Its top sets the first grid-like water outlet 9 with gate that framework of steel reinforcement supports, the height of the first water outlet 9
For 50cm.
The bottom of second concrete walls 8 sets the sludge pipe 12 that 3~5 calibers are 40cm, and the sludge pipe 11, which passes through, to be detested
Oxygen biological tank substrate is connected with photocatalyst clean unit, 12 end of sludge pipe equipped with can freely openable flow valve.Anaerobism is given birth to
Object pond substrate be concreting, thickness 50cm.3rd concrete walls 15 are located at 8 rear side 300cm of the second coagulation wall, bottom
Portion is provided with the second grid-like water outlet 14 of gate, and the height 30cm of second water outlet 14 is advisable.Described 3rd
15 and second concrete walls 8 of concrete walls and anaerobic organism pond substrate collectively form anaerobic organism pond.
The gravel that filling grain size is 25~50cm in gravel contact-oxidation pool, grain size successively decrease from bottom to top.It is contacted in gravel
Middle part in oxidation pond is laid with 4 aeration tubes 7, and the caliber of the aeration tube 7 is 30cm.Anaerobic organism pond is filled out respectively from high to low
Fill tyre crumbs layer 11, biologic packing material layer 13 and water distribution boulder bed 10.Wherein, the thickness of tyre crumbs layer 11 be 50cm, grain size
For 3cm or so；The thickness of biologic packing material layer 13 is 150cm, and grain size is 5cm or so；The thickness of the gravel water distribution layer 11 is
50cm, grain size are 10cm or so.The biologic packing material layer 13 is pressed for fine coal block with adhering to the Zeolite-bio filler of denitrifying bacteria
Volume ratio 1:It is laid with after 4 mixing.It is sealed between the first concrete walls 6 and the 3rd concrete walls 15 with concrete cover,
Between gravel at the top of contact-oxidation pool and anaerobic organism pond and air insulated.
Photocatalyst clean unit is set at 15 rear side 100cm of the 3rd concrete walls, and the photocatalyst clean unit is along water
The length of direction A is flowed for 1000cm, and depth 70cm in bottom insertion water body substrate 20, rear side sets the 4th that height is 150cm
Concrete walls 19 collectively form photocatalyst clean unit with the 3rd concrete walls 15.The photocatalyst clean unit is embedded in riverbed
Part is laid with boulder bed 17, and aluminium base TiO is set up above riverbed2Grid 18 sets a platoon leader 30 along water (flow) direction A every 50cm
The Artifical aquatic fiber 16 of~70cm.The thickness of the boulder bed 17 is 70cm, and grain size is 20~30cm；The aluminium base TiO2Lattice
The Thick 5cm of aperture plate 18, grid thickness 2cm, grid screen distance are 5cm, the frame of grid and the three, the 4th concrete walls
It is connected.In photocatalyst clean unit, spacer bar is set every 100cm, spacer bar is beyond water surface 100cm and installs additional ultraviolet
Line lamp.The upper end of the Artifical aquatic fiber 16 is fixed on aluminium base TiO2On grid 18, lower end can be with current shifting, photocatalyst
Clean unit can plant planting submerged plant after a period of time is run.
Preposition cleaning system operation：After building engineering, interim interception dam is removed.Contact-oxidation pool often runs 4 between gravel
, it is necessary to carry out backwash spoil disposal processing after~6 months.The entery and delivery port in closing anaerobic organism pond is needed at this time, opens sludge pipe stream
Valve is measured, sludge is discharged into photocatalyst clean unit using the gravity of water, sludge can exist in cobble gap and be planted for heavy water
The growth of object provides attachment and nutrient.
Flood period is disposed：When river flood temporarily, rubber dam 4 to be preferably minimized highly, closes all water-in and water-out of system
Mouthful, flood does not influence river flood discharge by being flowed through above whole system.
The preposition cleaning system of water body built by the above method, contact-oxidation pool, anaerobic organism between water blocking gabion, gravel
SS, ammonia nitrogen, nitrate nitrogen, total phosphorus and harmful bacteria in pond and the effective purified water of photocatalyst clean unit, can effectively be lowered into
Lake and the pollutant in improvement section river water, the pollutant burden in reduction water.The present invention is best suited on the water inlet of lake
Section is swum, can also be set in river upstream to be administered, effectively reduces the pollutant burden in pollutant, reduction water.
The principle that the present invention obtains above-mentioned technique effect is：
River water first passes around the preliminary setting pot intercepted and enter water purification after purifying of water blocking gabion；This stage is mainly to river
Rubbish and bulky grain suspended matter in stream upland water are intercepted and precipitated.
Letdown flow is adjusted using rubber dam, flow rate of water flow is let out under and ensures hydraulic detention time for 4h or so；Simultaneously
River water completes natural aeration oxygenation during being let out under.Water inlet by river water from the first concrete walls of aeration enters between gravel
Contact-oxidation pool, in one's respective area, cobble-stone, will be in river water using oxygen in water as the microbe carrier in nitration reaction
The pollutant removals such as partial organic substances and ammonia nitrogen, when contact-oxidation pool middle part between river water from bottom to top reaches gravel, by aeration
Pipe aeration supplement oxygen in water.
After treated the river water of contact-oxidation pool between gravel enters the anaerobic organism pond of rear side at the top of oxidation pond, first into
Enter tyre crumbs layer, tyre crumbs anaerobism or and oxygen condition under to the handling rate of COD up to 90%.In addition, waste old wheel
Tire particle contains the metal oxides such as Zn, Ca, Cu, and the formation soluble in water of these oxides has the polymer of cohesion,
Multiple pollutant can be adsorbed, especially there is certain removal effect to phosphorus.Waste and old rubber particle also contains carbon black, can nitrify
With providing carbon source in denitrification.Enter biologic packing material layer by the river water of tyre crumbs layer, formed in zeolite-denitrifying bacteria
The effect of denitrification biofilm eliminates the nitrate nitrogen in water.In addition, the flyash in biologic packing material layer, which removes, has phosphorus preferable suction
It is attached outer, can also be that denitrifying bacteria supplements necessary carbon source.
Finally, river water is discharged into photocatalyst clean unit via cobble water distribution layer by the discharge outlet of the 3rd concrete walls.People
Remaining pollutant, TiO in river water can be adsorbed by making water plant2Under near ultraviolet excitation in natural lighting, moisture can be activated
Son generate high oxidative capacity hydroxyl radical free radical, pollutant can further be degraded, at the same also have heavy-metal ion removal and
The effect of harmful bacteria.The submerged plant planted in photocatalyst clean unit also can improve oxygen in water simultaneously by photosynthesis
Eliminate pollutant.Illumination condition is poor or night, it can be needed to open ultraviolet radiator according to effluent quality and treatment effeciency, mended
Fill illumination.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific embodiment of the present invention or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover among the claimed technical solution scope of the present invention.
Claims (10)
1. a kind of preposition cleaning system of water body being used for into water section, it is characterised in that：The preposition cleaning system of water body includes
Pretreatment unit, biomembrane purification unit and the photocatalyst clean unit set gradually along water (flow) direction (A), the pretreatment
Unit includes setting water blocking gabion (1) in the upstream direction, be arranged on the water blocking gabion (1) after rubber dam (4) and
The setting pot (3) being arranged between the water blocking gabion (1) and rubber dam (4), the biomembrane purification unit include being arranged on
Contact-oxidation pool and the anaerobic organism in contact-oxidation pool downstream between the gravel is arranged between the gravel in rubber dam (4) downstream
Pond, the photocatalyst clean unit include the boulder bed (17) being embedded in water body substrate (20), are arranged on the boulder bed
(17) the aluminium base TiO above2Grid (18) and one end are fixed on aluminium base TiO2Artifical aquatic fiber on grid (18)
(16)。
2. the preposition cleaning system of water body according to claim 1, it is characterised in that：The height of the water blocking gabion (1) with
The ratio of thickness is 3:1, the gravel that the internal filling grain size of the water blocking gabion (1) is 30~50cm；The rubber dam (4) is set
At the water blocking gabion (1) rear side 500cm, the highest water blocking water level of the rubber dam (4) is identical with flood level, the rubber
The minimum water blocking water level on dam (4) is identical with mean minimum position.
3. the preposition cleaning system of water body according to claim 1, it is characterised in that：Contact-oxidation pool is by setting between the gravel
In upstream and the first concrete walls (6) being connected vertical with shore protection, it is arranged on the first concrete walls (6) downstream and vertical with shore protection
Connected the second concrete walls (8) and concrete cover form the pond body space of closing, the bottom of contact-oxidation pool between the gravel
The gradient of the portion along water (flow) direction (A) down-set 8%~12%, the bottom of first concrete walls (6) are provided with water inlet
(5), the second concrete walls (8) top is equipped with the first water outlet (9) being connected with anaerobic organism pond top, described
Second concrete walls (8) bottom set sludge pipe (12), the sludge pipe (12) through anaerobic organism pond substrate with it is described
Boulder bed (17) is connected, and sludge pipe (12) end is equipped with flow valve.
4. the preposition cleaning system of water body according to claim 3, it is characterised in that：Filling in the gravel contact-oxidation pool
The gravel of 25~100cm of grain size, the laying of successively decreasing from bottom to top of the grain size of gravel form gravel layer, and middle part is equipped in the gravel layer
Aeration tube (7).
5. the preposition cleaning system of water body according to claim 3, it is characterised in that：The anaerobic organism pond is by described second
Concrete walls (8) are arranged on the second concrete walls (8) downstream and the 3rd concrete walls (15) being connected vertical with shore protection and mixed
Solidifying earth mulch plate forms the pond body space of closing, and anaerobic organism pond substrate is to wrap up the concrete layer of the sludge pipe (12),
The bottom in the anaerobic organism pond is equipped with the second water outlet (14) being connected with the photocatalyst clean unit, the anaerobism life
Water distribution boulder bed (10), biologic packing material layer (13), tyre crumbs layer (11) are disposed in object pond from bottom to top.
6. the preposition cleaning system of water body according to claim 5, it is characterised in that：The thickness of the tyre crumbs layer (11)
With biologic packing material layer (13) thickness ratio 1:3, the thickness of the water distribution boulder bed (10) is 30~50cm, the biologic packing material
Layer (13) is by fine coal block and includes the Zeolite-bio filler of denitrifying bacteria with volume ratio 1:4 mixing fillings are laid with, institute
It is 1~3cm to state in tyre crumbs layer (11) grain diameter, and packing material size is 3~5cm in the biologic packing material layer (13), described
Cobble grain size is 5~10cm in water distribution boulder bed (10).
7. the preposition cleaning system of water body according to claim 5, it is characterised in that：The photocatalyst clean unit is by described
3rd concrete walls (15), be arranged on the 3rd concrete walls (15) downstream and with vertical the 4th concrete walls (19) being connected of shore protection
Form pond body space, the height of the 4th concrete walls (19) is the half of the first concrete walls (6) height, the aluminium base
TiO2The Artifical aquatic fiber (16) that one row's length is 30~70cm is set every 50cm on grid (18), the photocatalyst is net
Change interior kind of unit and be implanted with submerged plant.
8. the preposition cleaning system of water body according to claim 7, it is characterised in that：The thickness of the boulder bed (17) is
70cm, the grain size of cobble is 20~30cm in boulder bed (17)；The aluminium base TiO2The thickness of the frame of grid be 5cm, aluminium
Base TiO2The net thickness of grid (18) is 2cm, the aluminium base TiO2The grid screen distance of grid (18) be 5cm, the aluminium base
TiO2Grid (18) both ends are connected respectively with the 3rd concrete walls (15), the 4th concrete walls (19), the photocatalyst purification
It is equipped in unit and supports the aluminium base TiO2The spacer bar of grid (18).
9. the preposition cleaning system of water body according to claim 5, it is characterised in that：Contact-oxidation pool is arranged between the gravel
At rubber dam (4) the downstream 200cm, the height of contact-oxidation pool is higher than river ordinary water level (2) between the gravel；Described second is mixed
Solidifying cob wall (8) is located at the first concrete walls (6) 400~800cm of downstream, and the 3rd concrete walls (15) are located at described second
At coagulation wall (8) 200~400cm of downstream, the photocatalyst clean unit is arranged on the 3rd concrete walls (15) downstream 100cm
Place, the length of the photocatalyst clean unit is 1000cm, and the bottom of the boulder bed (17) is embedded in the depth of water body substrate (20)
It spends for 70cm.
10. a kind of construction method of the preposition cleaning system of water body, it is characterised in that：Including building aforesaid right using following steps
It is required that the preposition cleaning system of water body in 1~9 described in any one claim：
A, interim interception dam is built in the upstream of water body, dredging, antiseepage and smooth processing are carried out to water body substrate (20), and in life
Object film clean unit and the lower digging on request of photocatalyst clean unit position；
B, contact-oxidation pool, anaerobic organism pond and light between water blocking gabion (1), rubber dam (4), gravel are constructed successively by design requirement
Catalytic control unit, wherein, between gravel contact-oxidation pool, sealed with concrete cover at the top of anaerobic organism pond, the gravel is indirect
It touches at the top of oxidation pond and anaerobic organism pond and air insulated；
C, after building engineering, interim interception dam is removed, letdown flow is adjusted using rubber dam (4), pass through the lower stream stream that sluices
Speed ensures that hydraulic detention time is 3~5h, while water is let out under and carries out natural aeration oxygenation in the process；
D, after contact-oxidation pool often runs 4~6 months between gravel, the first water outlet (9), the second water outlet (14) are closed, the row of opening
The flow valve of mud pipe (12) carries out backwash spoil disposal to contact-oxidation pool gravel；
E, when flood temporarily, the rubber dam (4) to be preferably minimized highly, and simultaneously closes off water inlet (5), the first water outlet
(9), the second water outlet (14).
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| CN110644434A (en) * | 2019-10-21 | 2020-01-03 | 爱土工程环境科技有限公司 | Riverway water body in-situ remediation system, ecological remediation system and application |
| CN110713324A (en) * | 2019-11-22 | 2020-01-21 | 中国科学院水生生物研究所 | Ecological filter dam based on efficient in-situ interception of pollutants and application thereof |
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