CN208087409U - A kind of preposition purification system of water body being used for into water section - Google Patents
A kind of preposition purification system of water body being used for into water section Download PDFInfo
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- CN208087409U CN208087409U CN201721858568.2U CN201721858568U CN208087409U CN 208087409 U CN208087409 U CN 208087409U CN 201721858568 U CN201721858568 U CN 201721858568U CN 208087409 U CN208087409 U CN 208087409U
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Abstract
The utility model is related to a kind of preposition purification systems of water body being used for into water section, the preposition purification 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 the water blocking gabion of setting in the upstream direction, the setting pot that rubber dam after the water blocking gabion is set and is arranged between the water blocking gabion and rubber dam, the biomembrane purification unit includes the anaerobic organism pond that contact-oxidation pool is arranged between the gravel in the rubber dam downstream and the contact-oxidation pool downstream between the gravel is arranged, the photocatalyst clean unit includes the boulder bed being embedded in water body substrate, the aluminium base TiO being arranged above the boulder bed2Grid and one end are fixed on aluminium base TiO2Artifical aquatic fiber on grid.The utility model can effectively be lowered into lake and administer the pollutant in the river water of section, reduce the pollutant burden in water.
Description
Technical field
The utility model is related to ecological environment fields, more particularly to a kind of preposition purification system of water body being used for into water section
System, 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 itself
Self-purification capacity is not enough to keep water quality and restores ecology.The purpose that river channel ecology is administered is：Pass through energy in guarantee river river water
Under the premise of power, purifying river water environment restores river ecosystem.But river, lake upland water have along with oxygen consumption
The input of machine pollutant and nitrogen, phosphorus recycling can deteriorate the water environment state and Ecology function of harness a river section or lake, add
The load of weight river and lake harnessing project, while being unfavorable for the formation of water body self-purification ability and the recovery of aquatic ecosystem.
The preposition purification system for entering water section in river or lake has been supervened as a result,.So-called preposition purification system is just
It is that the pollutant in polluted water body is retained, purified by utilizing works measure or structures, does not allow it 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.
Utility model content
The purpose of this utility model is for lake or river controlling projects section water body due to the pollutant in upland water
Input and cause water pollution load to rise, the problem of Ecology function deteriorates, propose a kind of to be used for the water body into water section
Preposition purification system.The preposition purification system built by the utility model carries out at preposition purification upland water in river
Reason, makes in improvement river or water environment situation and Ecology function is protected in lake.
To achieve the above object, the utility model provides a kind of preposition purification system of water body being used for into water section, institute
It includes pretreatment unit, biomembrane purification unit and the photocatalyst set gradually along water (flow) direction to state the preposition purification system of water body
Clean unit, the pretreatment unit include setting water blocking gabion in the upstream direction, are arranged after the water blocking gabion
Rubber dam and the setting pot being arranged between the water blocking gabion and rubber dam, the biomembrane purification unit include that setting exists
Contact-oxidation pool and the anaerobic organism pond in the contact-oxidation pool downstream between the gravel is set between the gravel in the rubber dam downstream, institute
State photocatalyst clean unit include the boulder bed being embedded in water body substrate, the aluminium base TiO that is arranged above the boulder bed2Lattice
Aperture plate and one end are 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；Rubber dam setting is on rear side of the water blocking gabion at 500cm, the highest water blocking water of the rubber dam
Position is identical as flood level, and the minimum water blocking water level of the rubber dam is identical as mean minimum position.
Preferably, between the gravel contact-oxidation pool by be arranged upstream and with vertical the first concrete walls being connected of shore protection,
It is arranged in the first concrete walls downstream and is formed with vertical the second concrete walls being connected of shore protection and concrete cover closed
Pond body space, along the gradient of water (flow) direction down-set 8%~12%, described first is mixed for the bottom of contact-oxidation pool between the gravel
The bottom of solidifying cob wall is provided with water inlet, and second concrete walls top is equipped with to be connected with anaerobic organism pond top
First water outlet, second concrete walls bottom be arranged sludge pipe, the sludge pipe pass 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 between the gravel in 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, setting the second concrete walls downstream and with shield
Bank vertical connected third concrete walls and concrete cover form closed pond body space, and anaerobic organism pond substrate is
Wrap up the concrete layer of the sludge pipe, the bottom in the anaerobic organism pond is equipped with to 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, the biologic packing material layer by fine coal block with include 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 third concrete walls, setting in third 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 with third concrete walls, the 4th concrete walls respectively, 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
Third concrete walls are located at second concrete walls, 200~400cm of downstream, and the photocatalyst clean unit is arranged in third
At the 100cm of concrete walls downstream, the length of the photocatalyst clean unit is 1000cm, and the bottom of the boulder bed is embedded in water body
The depth of substrate is 70cm.
Based on the above-mentioned technical proposal, the utility model has the advantages that：
The preposition purification system of water body of the utility model can pass through contact-oxidation pool, anaerobic organism pond between water blocking gabion, gravel
SS, ammonia nitrogen, nitrate nitrogen, total phosphorus and harmful bacteria in the effective purified water of photocatalyst clean unit, can effectively be lowered into lake
Pool and the pollutant in improvement section river water, the pollutant burden in reduction water.The utility model is best suited for lake water inlet
Upper reach can be also arranged in river upstream to be administered, and effectively reduce pollutant, reduce the pollutant burden in water.
Description of the drawings
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 the preposition purification system of water body for entering water section.
Specific implementation mode
Below by drawings and examples, the technical solution of the utility model is described in further detail.
The utility model provides a kind of preposition purification system of water body being used for into water section, as shown in Figure 1, wherein showing
A kind of preferred embodiment of the utility model is gone out.The utility model provides one kind in lake or river controlling projects section upstream
Water cleaning systems are built, guarantee is administered in river or the preposition purification of water body in lake quality.By administering in river or on lake
Section structure pretreatment unit, biomembrane purification unit and photocatalyst clean unit are swum, is reached by three unit collective effects
Reduce the purpose of total nitrogen, total phosphorus, COD and SS in water body.
Specifically, the preposition purification system of the water body includes pretreatment unit, the biomembrane 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, setting
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 includes that contact-oxidation pool is arranged between the gravel in 4 downstream of the rubber dam and is arranged to contact between the gravel
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
Set 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 water blocking gabion 1 of forefront, the rubber dam of rear side
4 and the setting pot 3 that is formed therebetween constitute.The water blocking gabion 1 is arranged on river bed and is connected with channel revetment, high
Degree (can meet according to River Flood standard or 10 years one meet) for 5 years one, be arranged by its flood level, thickness is adjusted according to height, excellent
Selection of land, the height of the water blocking gabion 1 and the ratio of thickness are 3:1,1 inside filling grain size of the water blocking gabion is 30~50cm
Gravel.Rubber dam 4 is set at 1 rear side 500cm of the water blocking gabion, and highest water blocking water level should be identical as river flood position
(meet within 5 years one or 10 years one meet), by river, mean minimum bit line is arranged minimum water blocking water level for many years, can be adjusted according to river discharge
Height of water level.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
Glue dam 4 has the function of adjusting flow, ensures the purification system hydraulic detention time of rear side in 4~6h.
As shown in Figure 1, the biomembrane purification unit is arranged at 4 downstream 200cm of the rubber dam, mainly by being arranged
Anaerobic organism pond two parts of contact-oxidation pool and rear side are constituted 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
Set upstream and with vertical the first concrete walls 6 being connected of shore protection, setting 6 downstream of the first concrete walls and with the vertical phase of shore protection
The second concrete walls 8 and concrete cover even form closed pond body space.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 setting is 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 is carrying 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, 3~5 sludge pipes 12 are arranged in 8 bottom of the second concrete walls, and the sludge pipe 12 is detested across described
Oxygen biological tank substrate is connected with the boulder bed 17,12 end of the sludge pipe be equipped with can freely openable flow valve.It is preferred that
Ground, between the gravel in contact-oxidation pool 25~100cm of filling grain size gravel, the laying of successively decreasing from bottom to top of the grain size of gravel formed
Gravel layer, the interior middle part of the gravel layer are equipped with aeration tube 7, can be aerated to water body, remove nutriment.The gravel is indirect
It touches oxidation pond to be arranged at 4 downstream 200cm of the rubber dam, 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, setting 8 downstream of the second concrete walls and with
Shore protection vertical connected third concrete walls 15 and concrete cover form closed pond body space, anaerobic organism pond base
Bottom is the concrete layer for wrapping up the sludge pipe 12.The third concrete walls 15 be located at the rear side of the second concrete walls 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 of biologic packing material layer are than 1:3, the water distribution boulder bed 10
Thickness be 30~50cm, the biologic packing material layer 13 by fine coal block with include 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 third concrete walls 15, be arranged in third 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 in third
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 flow 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 third concrete walls 15, the 4th concrete walls
19 are connected, and are equipped with every 100cm in the photocatalyst clean unit and support the aluminium base TiO2The spacer bar of grid 18.Institute
It states 16 upper end of Artifical aquatic fiber and is fixed on aluminium base TiO2On grid 18, lower end can be with current shifting, photocatalyst clean unit
Planting submerged plant can be planted after running a period of time, enhance ecological functions.
The preposition purification system of water body of the utility model can pass through contact-oxidation pool, anaerobic organism pond between water blocking gabion, gravel
SS, ammonia nitrogen, nitrate nitrogen, total phosphorus and harmful bacteria in the effective purified water of photocatalyst clean unit, can effectively be lowered into lake
Pool and the pollutant in improvement section river water, the pollutant burden in reduction water.The utility model is best suited for lake water inlet
Upper reach can be also arranged in river upstream to be administered, and effectively reduce pollutant, reduce the pollutant burden in water.
The preposition purification system of water body of the utility model can refer to following steps and be built：
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 as required 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 sluicing
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, contact-oxidation pool carries out backwash spoil disposal between gravel；
E, when temporarily flood, the rubber dam 4 to be preferably minimized highly, and simultaneously close off water inlet 5, the first water outlet
9, the second water outlet 14.
For the construction method for the preposition purification system of water body being illustrated more clearly that in the present embodiment, on certain lake water inlet
Trip illustrates for 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：In the upstream of the river section, structure is interim intercepts dam, and dredging, antiseepage and smooth place are carried out to riverbed
Reason digs down riverbed as required in gravel contact chamber and photocatalyst processing pond position.
Build the preposition purification 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 set as 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 reinforcing bar is arranged with riverbed junction in lower end
The height of the grid-like water inlet 5 with gate of frame support, water inlet 5 is 50cm.Contact-oxidation pool foundation slope is set between gravel
It is 10%, length 500cm；Second concrete walls 8 build contact-oxidation pool substrate between gravel in and are connected with riverbank, are highly
250cm.The first grid-like water outlet 9 with gate that its top setting framework of steel reinforcement supports, the height of the first water outlet 9
For 50cm.
The sludge pipe 12 that 3~5 calibers are 40cm is arranged in the bottom of second concrete walls 8, 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 is concreting, thickness 50cm.Third concrete walls 15 are located at 8 rear side 300cm of the second concrete walls,
Bottom is provided with the second grid-like water outlet 14 of gate, and the height 30cm of second water outlet 14 is advisable.Described
Three concrete walls 15 and the second concrete walls 8 and anaerobic organism pond substrate collectively form anaerobic organism pond.
The gravel that filling grain size is 25~50cm in contact-oxidation pool between gravel, grain size successively decrease from bottom to top.It is contacted between gravel
Middle part in oxidation pond is laid with 4 aeration tubes 7, and the caliber of the aeration tube 7 is 30cm.Distinguish from high to low in anaerobic organism pond
Fill tyre crumbs layer 11, biologic packing material layer 13 and water distribution boulder bed 10.Wherein, the thickness of tyre crumbs layer 11 is 50cm, grain
Diameter is 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 that fine coal block is pressed with the Zeolite-bio filler for adhering to denitrifying bacteria
Volume ratio 1:It is laid with after 4 mixing.It is sealed with concrete cover between the first concrete walls 6 and third concrete walls 15,
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 third concrete walls, and the photocatalyst clean unit is along water
The length for flowing direction A is 1000cm, and bottom is embedded in depth 70cm in water body substrate 20, and rear side setting height is the 4th of 150cm
Concrete walls 19 collectively form photocatalyst clean unit with third 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 riverbed2A platoon leader is arranged every 50cm along water (flow) direction A in grid 18
The Artifical aquatic fiber 16 of 30~70cm.The thickness of the boulder bed 17 is 70cm, and grain size is 20~30cm；The aluminium base
TiO2The Thick 5cm of grid 18, grid thickness 2cm, grid screen distance are 5cm, frame and third, the 4th of grid
Concrete walls are connected.In photocatalyst clean unit, spacer bar is set every 100cm, spacer bar exceeds water surface 100cm simultaneously
Install ultraviolet radiator additional.The upper end of the Artifical aquatic fiber 16 is fixed on aluminium base TiO2On grid 18, lower end can be put with flow
Dynamic, photocatalyst clean unit can plant planting submerged plant after running a period of time.
Preposition purification system operation：After building engineering, interim interception dam is removed.Contact-oxidation pool often runs 4 between gravel
After~6 months, backwash spoil disposal processing is carried out.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, all water-in and water-out of system are closed
Mouthful, flood does not influence river flood discharge by being flowed through above whole system.
The preposition purification system of water body built by the above method, with 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 utility model is best suited for lake and enters water
Mouth upper reach, can be also arranged in river upstream to be administered, and effectively reduce pollutant, reduce the pollutant burden in water.
The principle that the utility model 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 are precipitated.
Letdown flow is adjusted using rubber dam, flow rate of water flow is let out under and ensures that hydraulic detention time is 4h or so；Simultaneously
River water completes natural aeration oxygenation during being let out under.Enter between gravel from the water inlet of the first concrete walls by the river water of aeration
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 between river water from bottom to top reaching gravel in the middle part of contact-oxidation pool, 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 are under anaerobism or simultaneous oxygen condition 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 has certain removal to act in phosphorus.Waste and old rubber particle also contains carbon black, can nitrify
With carbon source is provided in denitrification.Enter biologic packing material layer by the river water of tyre crumbs layer, is formed in zeolite-denitrifying bacteria
The nitrate nitrogen in water is eliminated in the effect of denitrification biofilm.In addition, the flyash in biologic packing material layer is removed has preferable suction to phosphorus
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 third 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:Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (9)
1. a kind of preposition purification system of water body being used for into water section, it is characterised in that：The preposition purification 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 include setting water blocking gabion (1) in the upstream direction, the rubber dam (4) being arranged after the water blocking gabion (1) and
Setting pot (3) between the water blocking gabion (1) and rubber dam (4) is set, and the biomembrane purification unit includes that setting exists
Contact-oxidation pool and the anaerobic organism in the contact-oxidation pool downstream between the gravel is set 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 in 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 purification 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；Rubber dam (4) setting
At the water blocking gabion (1) rear side 500cm, the highest water blocking water level of the rubber dam (4) is identical as flood level, the rubber
The minimum water blocking water level on dam (4) is identical as mean minimum position.
3. the preposition purification system of water body according to claim 1, it is characterised in that：Contact-oxidation pool is by being arranged between the gravel
Upstream and with vertical the first concrete walls (6) being connected of shore protection, setting the first concrete walls (6) downstream and with shore protection it is vertical
Connected the second concrete walls (8) and concrete cover form closed pond body space, the bottom of contact-oxidation pool between the gravel
Along the gradient of water (flow) direction (A) down-set 8%~12%, the bottom of first concrete walls (6) is provided with water inlet in portion
(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 be arranged sludge pipe (12), the sludge pipe (12) pass 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 purification system of water body according to claim 3, it is characterised in that：Filling in contact-oxidation pool between the gravel
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 purification system of water body according to claim 3, it is characterised in that：The anaerobic organism pond is by described second
Concrete walls (8), setting the second concrete walls (8) downstream and with vertical third concrete walls (15) being connected of shore protection and mixed
Solidifying earth mulch plate forms closed pond body space, 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 purification 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 than 1:3, the thickness of the water distribution boulder bed (10) is 30~50cm, the tyre crumbs
Grain diameter is 1~3cm in layer (11), and packing material size is 3~5cm, the water distribution boulder bed in the biologic packing material layer (13)
(10) cobble grain size is 5~10cm in.
7. the preposition purification system of water body according to claim 5, it is characterised in that：The photocatalyst clean unit is by described
Third concrete walls (15), setting third concrete walls (15) downstream and with vertical the 4th concrete walls (19) being connected of shore protection
Pond body space is formed, 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 is implanted with submerged plant.
8. the preposition purification 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 is 5cm, aluminium
Base TiO2The net thickness of grid (18) is 2cm, the aluminium base TiO2The grid screen distance of grid (18) is 5cm, the aluminium base
TiO2Grid (18) both ends are connected with third concrete walls (15), the 4th concrete walls (19) respectively, the photocatalyst purification
It is equipped in unit and supports the aluminium base TiO2The spacer bar of grid (18).
9. the preposition purification system of water body according to claim 5, it is characterised in that：Contact-oxidation pool setting exists 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 third concrete walls (15) are positioned at described the
At two concrete walls (8) 200~400cm of downstream, the photocatalyst clean unit is arranged in third concrete walls (15) downstream
At 100cm, the length of the photocatalyst clean unit is 1000cm, the bottom insertion water body substrate (20) of the boulder bed (17)
Depth be 70cm.
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