CN207659267U - A kind of city river rainwater discharge outlet pretreatment unit - Google Patents
A kind of city river rainwater discharge outlet pretreatment unit Download PDFInfo
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- CN207659267U CN207659267U CN201721501446.8U CN201721501446U CN207659267U CN 207659267 U CN207659267 U CN 207659267U CN 201721501446 U CN201721501446 U CN 201721501446U CN 207659267 U CN207659267 U CN 207659267U
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- discharge outlet
- catalytic oxidation
- rainwater discharge
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Abstract
The utility model provides a kind of city river rainwater discharge outlet pretreatment unit, device includes the floating body frame for enclosing the opening set on the river rainwater discharge outlet, the catalytic oxidation unit being set between the floating body frame and the river rainwater discharge outlet, catalytic oxidation unit is interior to be filled with elastic filler；The preposition precipitation unit being set between the catalytic oxidation unit and the river rainwater discharge outlet is set to the vegetation filter element of the floating body lower portion, it is equipped with water plant on the vegetation filter element, wherein, the rainfall runoff of the river rainwater discharge outlet discharge first drains into the preposition precipitation unit, using intercept net heel row to the catalytic oxidation unit, with the elastic filler catalytic oxidation heel row filled in catalytic oxidation unit to the vegetation filter element, it is finally expelled to outside river.It is complex to solve structure existing for end-of-pipe control treatment technology in the prior art, floor space is larger, arrangement and the higher technical problem of maintenance cost.
Description
Technical field
The utility model is related to Urban Water Environment pollution control fields, specifically, being related to a kind of city river rainwater row
Put a mouthful pretreatment unit.
Background technology
Urban Water Environment pollution is still in the importance for becoming Water Environmental Pollution Control now, and pollution of area source problem is
Main restricting factor through being promoted as river quality of water environment.Pollution of area source is washed away by rainfall and rainwash, will be big
Pollutant in gas and earth's surface brings receiving water body into, makes the phenomenon that receiving water body is by pollution.In city surface source pollution, rainfall diameter
Stream washes away urban ground, wherein containing pollutants such as a large amount of suspended particle, total nitrogen, total phosphorus, heavy metal ion, is directly discharged into
Receiving water body can cause water quality serious harm.Simultaneously as the increase of urban hard underlying surface ratio, rainfall runoff is presented
The features such as water big water quality inferiority, and due to the randomness that rainfall occurs, the contaminant capacity and polluter of generation are not easy to determine, so
Runoff pollution prevention becomes an important topic of municipal pollution prevention and control instantly.
In the prior art, the contamination control mode of rainwater runoff pollution, pollution load of overflow includes mainly source controlling party
Formula, process control methods, end-of-pipe control mode and emergency processing.Wherein, source control process mainly passes through Urban renewal
Or the modes such as Ecological basis storm water management means (LID)；Process control usually has pipeline modification, pipeline sediment monitoring technology
There are cyclonic separation, rapid precipitation etc. Deng the processing of, end-of-pipe control.But source control process mode requires a large amount of infrastructure
Construction and fund input, and by the stringent limitation of construction land so that source control process mode is more difficult to popularize.Process
Control technology requires the management level of underground pipe network relatively high.End-o f-pipe -control is provided in the last to pollution of rainwater discharge outlet
End carries out the mode of processing discharge, and therefore, end-of-pipe control handles the advantages of being easily achieved with lower treatment cost because of it, existing
For some technologies under the conditions of, end-o f-pipe -control facility becomes a kind of relatively reasonable and effective treatment measures.
However, the end-o f-pipe -control facility under the prior art has complicated, long construction period mostly, regulation effect is not
It is good, take up an area excessive problem, therefore in view of this, a kind of simplified structure should be provided, governance efficiency is high, cost is cheaper and
Occupy the end-o f-pipe -control facility of less area.
Utility model content
In order to solve the above-mentioned technical problem the utility model is made, the purpose is to provide, a kind of structure is simplified, accounts for
With less area, governance efficiency and the city river rainwater discharge outlet pretreatment unit of low cost can be improved.
To achieve the goals above, the utility model provides a kind of city river rainwater discharge outlet pretreatment unit, dress
The opening for being placed in city river rainwater discharge outlet is installed, device includes floating body frame, and the floating body frame is concave, encloses set on institute
The opening of river rainwater discharge outlet is stated, and is close to channel revetment；Catalytic oxidation unit, the catalytic oxidation unit are set to institute
It states between floating body frame and the river rainwater discharge outlet, and at the surface indentation of the floating body frame, the contact oxygen
Change and is filled with elastic filler in unit；Preposition precipitation unit, the preposition precipitation unit are set to the catalytic oxidation unit and institute
Between stating river rainwater discharge outlet, intercept net is provided between the preposition precipitation unit and the catalytic oxidation unit；Vegetation
Filter element, the vegetation filter element are set to the floating body lower portion, aquatic plant are equipped on the vegetation filter element
Object, wherein the rainfall runoff of the river rainwater discharge outlet discharge first drains into the preposition precipitation unit, using the interception
The elastic filler catalytic oxidation heel row filled in net heel row to the catalytic oxidation unit, with the catalytic oxidation unit is to described
Vegetation filter element is finally expelled to outside river.
Preferably, the floating body frame is welded using polyethylene pipe, and multiple loop bars are provided on the floating body frame,
Described loop bar one end is connected and fixed with the floating body frame, and the other end is inserted into bottom of river channel.
It is further preferred that the loop bar is zinc-plated loop bar.
Preferably, the catalytic oxidation unit further includes the first floating ball and the first gabion pendant, and first floating ball passes through
Nylon rope is laterally worn to connect successively and be fixed afterwards with the floating body frame, and the first gabion pendant is hung in the elastic filler,
The first gabion pendant is the fine mesh wire filled with gravel.
Further preferably, the finished weight of the elastic filler is in the range of 1.0kg/m to 3.0kg/m.
Preferably, the intercept net includes the second floating ball, the first fine mesh wire and the second gabion pendant, second floating ball
It is worn using nylon rope and connects and be fixed on the floating body frame, the specification of first fine mesh wire is in the range of 3 to 10 mesh, institute
State the bottom that the second gabion pendant is set to first fine mesh wire, a diameter of 20mm of the second gabion pendant.
Preferably, the vegetation filter element includes third floating ball, the second fine mesh wire and third gabion pendant, and described
Three floating balls are worn using nylon rope to be connect and is fixed on the floating body frame, and second fine mesh wire connect solid with the third floating ball
Fixed, the third gabion pendant is set to the bottom of second fine mesh wire.
It is further preferred that the water plant is one or both of the green watermifoil of wind and hornwort, the water plant
Density in the range of 10 clumps/square metre to 30 clump/square metre.
As described above with practice it is found that city river rainwater discharge outlet pretreatment unit described in the utility model
It is set to river rainwater discharge outlet exit, the floating body frame set on the opening is enclosed by setting, and be set on frame
With the structure of catalytic oxidation unit and vegetation filter element and tier-framework building net in frame so that from river rainwater discharge outlet
The rainfall runoff of discharge is successively handled by multiple filtration, be can effectively improve pretreatment unit and is imitated to the filtering of rainfall runoff
Rate；It is laterally worn by nylon rope and connects multiple floating balls and fixed with floating body frame, then by fine mesh wire and be set to detailed catalogue sieve bottom
Gabion pendant sink to river bed, entire pretreatment unit is sufficiently spread out and vertically arranged, rainwater may be implemented and filled with pretreatment
That sets comes into full contact with, and further improves purification filtering effect of the pretreatment unit to rainfall runoff；And the structure simplified can
Easily quickly to be arranged at multiple rainwater discharge outlets, solve existing for end-of-pipe control treatment technology in the prior art
Structure is complex, and floor space is larger, arrangement and the higher technical problem of maintenance cost.
Description of the drawings
Fig. 1 is schematic diagram, shows that the city river rainwater discharge outlet described in one embodiment of the utility model is pre-
The structure of processing unit；
Fig. 2 is sectional view, shows the sectional view in the directions A-A of Fig. 1.
Specific implementation mode
The reality of city river rainwater discharge outlet pretreatment unit described in the utility model described below with reference to the accompanying drawings
Apply example.Those skilled in the art will recognize, can without departing from the spirit and scope of the utility model
To be modified to described embodiment in a manner of a variety of different.Therefore, attached drawing and description are regarded as illustrative in nature,
It is not intended to limit the scope of the claims.In addition, in the present specification, attached drawing is drawn not in scale, and it is identical
Reference numeral indicate identical part.
Fig. 1 is schematic diagram, shows that the city river rainwater discharge outlet described in one embodiment of the utility model is pre-
The structure of processing unit.Fig. 2 is sectional view, shows the sectional view in the directions A-A of Fig. 1.As depicted in figs. 1 and 2, in this practicality
In city river rainwater discharge outlet pretreatment unit described in novel one embodiment, pretreatment unit is wholy set in city
The opening of river rainwater discharge outlet 1, is bonded with channel revetment, and device includes floating body frame 2, catalytic oxidation unit 3, preposition heavy
Shallow lake unit 4, vegetation filter element 5.Floating body frame 2 is in concave shape, as shown in Figure 1, floating body frame 2 is disposed around river rainwater discharge
The opening of mouth 1, catalytic oxidation unit 3 are filled between floating body frame 2 and river rainwater discharge outlet 1, and are located at floating body frame 2
Surface indentation inside, elastic filler 33 is filled in catalytic oxidation unit 3, catalytic oxidation unit 3 is discharged with river rainwater
Preposition precipitation unit 4, the buffer zone that preposition precipitation unit 4 is discharged as rainwater are provided between mouth 1, precipitation there are a large amount of silts
Mud can be safeguarded by carrying out regular dredging to preposition precipitation unit 4 or shedding bed mud solidification medicament.Preposition precipitation unit 4
Intercept net 6 is provided between catalytic oxidation unit 3.Vegetation filter element 5 fills the inside of floating body frame 2, and vegetation filtering is single
It is equipped with a large amount of water plants 54 in member 5.When rainwater is discharged from river rainwater discharge outlet 1, first carried out in preposition precipitation unit 4
Buffer-precipitation then drains into catalytic oxidation unit 3 by intercept net 6, then with catalytic oxidation unit 3 in fill elastic filler
33 catalytic oxidation heel row are finally expelled to outside river to vegetation filter element 5.
Specifically, floating body frame 2 is disposed around the opening of rainwater discharge outlet 1, use polyethylene (PE) pipe weld and
At PE materials make the corrosion resistance of floating body frame 2 enhance, and have the characteristics that water imbibition is small, electrical insulating property is good simultaneously, have
Effect extends the service life of floating body frame 2.It, can also be according to rainwater discharge outlet 1 in the other embodiment of the utility model
Different bores, change the whole size, shape and opening bore of floating body frame 2, such as the shape of floating body frame 2 may be
Semicircle, arc or their combined shaped etc., area are that 1.0~10.0m2 is differed, and river is inserted into 21 one end of multiple loop bars
Bottom, the other end are fixedly connected with floating body frame 2 so that floating body frame 2 is fixed and is close to riverbank setting.In the utility model
In the embodiment, loop bar 21 is zinc-plated loop bar, and the depth that zinc-plated loop bar is inserted into river bed is more than or equal to 1.5m, and multiple loop bars are set to
Different location on floating body frame 2 can carry out installation fixation, to ensure floating body frame from multiple positions to floating body frame 2 in this way
The whole stability of frame 2, but the embodiments of the present invention are not limited to features described above.
Catalytic oxidation unit 3 further includes the first floating ball 31 and the first gabion pendant 32, is laterally worn and is connect successively by nylon rope
Multiple first floating balls 31, then whole and floating body frame 2 are fixed；First gabion pendant 32 is the fine mesh wire filled with gravel, each
It is all corresponding in elastic filler 33 to hang the first gabion pendant 32.The size of catalytic oxidation unit 3 determines by floating body frame 2, can root
According to rainwater discharge outlet 1 water yield and Its Adjacent Waters flow situations such as, the size and Qi Nei of corresponding change catalytic oxidation unit 3
The material and density for the elastic filler 33 being filled with, in the embodiment of the utility model, the specific surface area of elastic filler 33
In the range of 116 square millimeters to 133 square millimeters, finished weight is in the range of 1.0kg/m to 3.0kg/m, between setting
Away from the range of 300mm to 800mm, the entire length of catalytic oxidation unit 3 is determined according to river ordinary water level and river bed position.
31 size of floating ball isUsingNylon rope is laterally worn and is connect, and 32 size of gabion pendant is about
There are intercept net 6, the packet of intercept net 6 second floating ball 61, first thin between preposition precipitation unit 4 and catalytic oxidation unit 3
Mesh net 62 and the second gabion pendant 63, as the first floating ball 31, the second floating ball 61 is worn again by nylon rope connect after it is solid again
It is scheduled on floating body frame 2, for the specification of the first fine mesh wire in the range of 3 to 10 mesh, it is thin that the second gabion pendant 63 is set to first
The bottom of mesh net 62, a diameter of 20mm, because of the buoyancy of the gravity and the second floating ball 61 of the second gabion pendant 63,
One fine mesh wire 62 is sufficiently spread out under liquid level, can fully play interception filtration.Preposition precipitation unit size is by floating body frame
Frame determines.61 size of floating ball isSpacing 100mm is usedNylon rope, which is worn, to be connect, and 62 specification of fine mesh wire is 3~10 mesh, long
Difference of the degree slightly larger than river ordinary water level and river bed；63 size of gabion pendant is aboutIt is made using gravel is filled in fine mesh wire.
Vegetation filter element 5 includes third floating ball 51, the second fine mesh wire 52 and third gabion pendant 53.Multiple thirds are floating
Ball 51 is laterally worn and is connected on nylon rope, and is fixed with floating body frame 2 so that and vegetation filter element 5 can be swum on the water surface, the
Two fine mesh wires 52 are fixedly connected with the third floating ball 51 after connecing is worn, and the bottom of the second fine mesh wire 52 is connected with third gabion pendant
53, as intercept net 6, the second fine mesh wire 52 of vegetation filter element 5 is also in the buoyancy of third floating ball 51 and third stone
It is sufficiently spread out under the gravity of cage pendant 53.Water plant 54 is laid on the top of vegetation filter element 5, according to the feelings in waters
Condition is different, selects the water plant of variety classes and biological nature, in the embodiment of the utility model, water plant is wind
Green watermifoil, hornwort, density is in the range of 10 clumps/square metre to 30 clump/square metre.Floating ball 51 is a diameter ofIt adopts
WithNylon rope, which is worn, to be connect, the connection of 52 bottom of fine mesh wireGabion pendant 53.52 spacing of fine mesh wire is 100~500mm.
As described above with practice it is found that city river rainwater discharge outlet pretreatment unit described in the utility model
Suitable for upright shore protection, slope shore protection, it can be highly adjusted according to practical river depth, be set to river rainwater discharge outlet and go out
At mouthful, the floating body frame set on the opening is enclosed by setting, and be set to the catalytic oxidation unit on frame and in frame
With the structure of vegetation filter element and tier-framework building net so that the rainfall runoff being discharged from river rainwater discharge outlet successively passes through
Multiple filtration processing, can effectively improve filter efficiency of the pretreatment unit to rainfall runoff；Laterally worn by nylon rope connect it is more
A floating ball is simultaneously fixed with floating body frame, then sinks to river bed with the gabion pendant for being set to detailed catalogue sieve bottom by fine mesh wire, will be whole
A pretreatment unit is sufficiently spread out and vertically arranged, and coming into full contact with for rainwater and pretreatment unit may be implemented, further improve
Purification filtering effect of the pretreatment unit to rainfall runoff；And the structure simplified can be easily in multiple rainwater discharge outlets
Place is quickly arranged that it is complex to solve structure existing for end-of-pipe control treatment technology in the prior art, floor space compared with
Greatly, arrangement and the higher technical problem of maintenance cost.
It is described in an illustrative manner above with reference to attached drawing according to city river rainwater discharge outlet described in the utility model
Pretreatment unit.It will be understood by those skilled in the art, however, that the city river rainwater proposed for above-mentioned the utility model
Floss hole pretreatment unit can also make various improvement on the basis of not departing from the utility model content.Therefore, this practicality
Novel protection domain should be determined by the content of appended claims.
Claims (8)
1. a kind of city river rainwater discharge outlet pretreatment unit, which is characterized in that device is set to the discharge of city river rainwater
The opening of mouth, device include
Floating body frame, the floating body frame is concave, encloses the opening set on the river rainwater discharge outlet, and tight with channel revetment
Patch；
Catalytic oxidation unit, the catalytic oxidation unit are set between the floating body frame and the river rainwater discharge outlet, and
At the surface indentation of the floating body frame, elastic filler is filled in the catalytic oxidation unit；
Preposition precipitation unit, the preposition precipitation unit be set to the catalytic oxidation unit and the river rainwater discharge outlet it
Between；
Intercept net is arranged between the preposition precipitation unit and the catalytic oxidation unit；
Vegetation filter element, the vegetation filter element are set to the floating body lower portion, are laid on the vegetation filter element
There is water plant, wherein
The rainfall runoff of the river rainwater discharge outlet discharge first drains into the preposition precipitation unit, after the intercept net
The catalytic oxidation unit is drained into, with the elastic filler catalytic oxidation heel row filled in the catalytic oxidation unit to the vegetation
Filter element is finally expelled to outside river.
2. city river rainwater discharge outlet pretreatment unit as described in claim 1, which is characterized in that the floating body frame is adopted
It is welded with polyethylene pipe, multiple loop bars is provided on the floating body frame, described loop bar one end connects with the floating body frame
Fixation is connect, the other end is inserted into bottom of river channel.
3. city river rainwater discharge outlet pretreatment unit as claimed in claim 2, which is characterized in that the loop bar is zinc-plated
Loop bar.
4. city river rainwater discharge outlet pretreatment unit as described in claim 1, which is characterized in that the catalytic oxidation list
Member further includes the first floating ball and the first gabion pendant, and first floating ball is laterally worn successively by nylon rope connects the rear and floating body
Frame is fixed, and the first gabion pendant is hung in the elastic filler, and the first gabion pendant is filled with gravel
Fine mesh wire.
5. city river rainwater discharge outlet pretreatment unit as described in claim 1, which is characterized in that the elastic filler
Finished weight is in the range of 1.0kg/m to 3.0kg/m.
6. city river rainwater discharge outlet pretreatment unit as described in claim 1, which is characterized in that the intercept net includes
Second floating ball, the first fine mesh wire and the second gabion pendant, second floating ball is worn using nylon rope connects and is fixed on described float
On body frame, for the specification of first fine mesh wire in the range of 3 to 10 mesh, the second gabion pendant is set to described first
The bottom of fine mesh wire, a diameter of 20mm of the second gabion pendant.
7. city river rainwater discharge outlet pretreatment unit as described in claim 1, which is characterized in that the vegetation filtering is single
Member includes third floating ball, the second fine mesh wire and third gabion pendant, and the third floating ball is worn using nylon rope to be connect and be fixed on
On the floating body frame, second fine mesh wire is connected and fixed with the third floating ball, and the third gabion pendant is set to institute
State the bottom of the second fine mesh wire.
8. city river rainwater discharge outlet pretreatment unit as claimed in claim 7, which is characterized in that the water plant is
One or both of the green watermifoil of powder and hornwort, the density of the water plant is in 10 clumps/square metre to the model of 30 clumps/square metre
In enclosing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501446.8U CN207659267U (en) | 2017-11-10 | 2017-11-10 | A kind of city river rainwater discharge outlet pretreatment unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501446.8U CN207659267U (en) | 2017-11-10 | 2017-11-10 | A kind of city river rainwater discharge outlet pretreatment unit |
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| Publication Number | Publication Date |
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| CN207659267U true CN207659267U (en) | 2018-07-27 |
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ID=62938060
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721501446.8U Active CN207659267U (en) | 2017-11-10 | 2017-11-10 | A kind of city river rainwater discharge outlet pretreatment unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698105A (en) * | 2017-11-10 | 2018-02-16 | 中冶华天工程技术有限公司 | A kind of city river rainwater discharge outlet pretreatment unit |
-
2017
- 2017-11-10 CN CN201721501446.8U patent/CN207659267U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107698105A (en) * | 2017-11-10 | 2018-02-16 | 中冶华天工程技术有限公司 | A kind of city river rainwater discharge outlet pretreatment unit |
| CN107698105B (en) * | 2017-11-10 | 2024-04-16 | 中冶华天工程技术有限公司 | Urban river rainwater discharge port preprocessing device |
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