CN202116408U - Infiltration medium system for removing pollutants in rainwater runoff - Google Patents
Infiltration medium system for removing pollutants in rainwater runoff Download PDFInfo
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- CN202116408U CN202116408U CN2011201526406U CN201120152640U CN202116408U CN 202116408 U CN202116408 U CN 202116408U CN 2011201526406 U CN2011201526406 U CN 2011201526406U CN 201120152640 U CN201120152640 U CN 201120152640U CN 202116408 U CN202116408 U CN 202116408U
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Abstract
The utility model discloses an infiltration medium system for removing pollutants in rainwater runoff, which comprises an on-the-road infiltration medium system. The on-the-road infiltration medium system comprises a quartz sand layer (6), a first red earth soil layer (7), a second red earth soil layer (8), a third red earth soil layer (9), a gravel material layer (10) and a water-pervious brick layer (11). After red earth soil is used for paving in improved manner, pollutants in rainwater are removed by being treated on the spot through interception, adsorption, biological action and chemical action. Therefore, the infiltration medium system reduces load of drainpipes during rainfall, and avoids roadside ponding caused by gathered rainwater. Meanwhile, pollutant concentration can be lowered without requiring any facility. The infiltration medium system can be disposed on the road, road side, open space, lawns and the like, occupies small area, and is low in investment of capital construction, convenient, practical and convenient in drawing materials.
Description
Technical field
The utility model relates to sewage treatment area, especially the filtration media system of rainfall runoff pollutent.
Background technology
At present; The phenomenon of China's water resources critical shortage is general; The technology of handling municipal wastewater is a lot, and the dirty shunting transformation of the way of rain is in addition arranged, and the processing load of sewage work can be aggravated in the rainwater peak period; So take the method feasibility of on-the-spot disposal rainwater very high, this method has advantages such as cheap, convenient.
The domestic technology of utilizing the soil method to handle rainwater is few; Utilize transformed soil treating rainwater technology rarer, mainly can handle elements such as organism in the rainwater, nitrogen, phosphorus, but still have some deficits; To the removal scarce capacity of nitrate nitrogen, nitrite nitrogen, remain further to be improved.
Summary of the invention
The utility model technical problem to be solved is the present situation to the domestic water shortage of resources; Reduce the surface gathered water that bring the rainwater peak period; Remove the general pollutent in the rainfall runoff, reduce the load that sewage work handles waste water, effectively utilize water resources to be used for purposes such as pouring.
For addressing the above problem; The utility model provides a kind of filtration media system of removing the rainfall runoff pollutent; Comprise filtration media system on the road, the filtration media system comprises on the said road: quartz sand layer that layering from bottom to top is provided with 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, the gravel bed of material 10, permeable brick layer 11.
Said quartz sand layer 6 is the thick quartz sand layer of 3.5～6.5cm; The said first red soil soil layer 7 is 1.54 thick～1.64g/cm of 8.5～11.5cm
3The red soil soil layer; The said second red soil soil layer 8 is 1.47 thick～1.57g/cm of 8.5～11.5cm
3The red soil soil layer; Said the 3rd red soil soil layer 9 is 1.17 thick～1.27g/cm of 3.5～6.5cm
3The red soil soil layer; The said gravel bed of material 10 is the thick gravel aggregate dense layer of 7.5～10.5cm; Said permeable brick layer 11 is the thick permeable brick combination paving layer of 4.5～7.5cm.
Said quartz sand layer 6 is the thick quartz sand layer of 4～6cm; The said first red soil soil layer 7 is 1.56 thick～1.62g/cm of 9～11cm
3The red soil soil layer; The said second red soil soil layer 8 is 1.49 thick～1.55g/cm of 9～11cm
3The red soil soil layer; Said the 3rd red soil soil layer 9 is 1.19 thick～1.25g/cm of 4～6cm
3The red soil soil layer; The said gravel bed of material 10 is the thick gravel aggregate dense layer of 8～10cm; Said permeable brick layer 11 is the thick permeable brick combination paving layer of 5～7cm.
Also comprise vacant lot filtration media system, said vacant lot filtration media system comprises: quartz sand layer that layering from bottom to top is provided with 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, quatre loam layer 12.
Said quartz sand layer 6 is the thick quartz sand layer of 3.5～6.5cm; The said first red soil soil layer 7 is 1.54 thick～1.64g/cm of 8.5～11.5cm
3The red soil soil layer; The said second red soil soil layer 8 is 1.47 thick～1.57g/cm of 8.5～11.5cm
3The red soil soil layer; Said the 3rd red soil soil layer 9 is 1.17 thick～1.27g/cm of 8.5～11.5cm
3The red soil soil layer; Said quatre loam layer 12 is 1.36 thick～1.46g/cm of 8.5～11.5cm
3The red soil soil layer.
Said quartz sand layer 6 is the thick quartz sand layer of 4～6cm; The said first red soil soil layer 7 is 1.56 thick～1.62g/cm of 9～11cm
3The red soil soil layer; The said second red soil soil layer 8 is 1.49 thick～1.55g/cm of 9～11cm
3The red soil soil layer; Said the 3rd red soil soil layer 9 is 1.19 thick～1.25g/cm of 9～11cm
3The red soil soil layer; Said quatre loam layer 12 is 1.38 thick～1.44g/cm of 9～11cm
3Red soil soil layer 12.
Also comprise lawn filtration media system, said lawn filtration media system comprises: quartz sand layer that layering from bottom to top is provided with 6, the 5th red soil soil layer 13, quatre loam layer 12, lawn 14.
Said quartz sand layer 6 is the thick quartz sand layer of 3.5～6.5cm; Said the 5th red soil soil layer 13 is 1.64 thick～1.74g/cm of 17～23cm
3The red soil soil layer; Said quatre loam layer 12 is 1.36 thick～1.46g/cm of 12.5～17.5cm
3The red soil soil layer.
Said quartz sand layer 6 is the thick quartz sand layer of 4～6cm; Said the 5th red soil soil layer 13 is 1.66 thick～1.72g/cm of 18～22cm
3The red soil soil layer; Said quatre loam layer 12 is 1.38 thick～1.44g/cm of 13～17cm
3The red soil soil layer.
The technique effect of the utility model:
1, after the utility model utilizes the red soil soil layer and improves, on-the-spot disposal rainfall runoff pollutent, through hold back, absorption, biological action, chemical action removes the pollutent in the rainwater, to COD, TN, NH
4 +-N, TP all have removal effect clearly, and the load of sewer line when alleviating rainfall avoids rain water-harvesting to cause roadside ponding simultaneously, need not any facility simultaneously and just can reduce Pollutant levels, and be convenient, economical, suitable;
2, the utility model is simulated artificial road surface and is utilized permeable brick layer to carry out oozing down fast, reduces surface gathered water, slows down flood peak and accumulate etc.; Also can be arranged on places such as roadside, vacant lot, lawn, the position is set can choose at random, flexibility is strong.
3, this method has advantages such as floor space is little, on-the-spot disposal is more convenient, initial cost is low, easy and simple to handle, and practicality is very strong.
4, the common material of material selection is convenient to draw materials.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is first kind of structure sectional view of the utility model;
Fig. 2 is second kind of structure sectional view of the utility model;
Fig. 3 is the third structure sectional view of the utility model.
Among the figure: 1, rainwater collecting tank, 2, pump, 3, water-in, 4, water outlet; 5, handle the back collecting tank, 6, quartz sand layer, 7, the first red soil soil layer, 8, the second red soil soil layer; 9, the 3rd red soil soil layer, 10, the gravel bed of material, 11, permeable brick layer; 12, quatre loam layer, the 13, the 5th red soil soil layer, 14, the lawn.
Embodiment
Details are as follows to the utility model below in conjunction with accompanying drawing:
Like Fig. 1,2, shown in 3; Rainwater drains into the top of this filtration media system through water channel; Or the rainfall runoff of collecting in the rainwater collecting tank 1 is pumped in this filtration media system through water inlet 3 through pump 2, also can let in this filtration media system that rainwater flows into naturally, through the native system osmotic treated; Discharge and collect processing back collecting tank 5 by the water outlet 4 of native system bottom, quartz sand layer 6 is as catchmenting layer.
The utility model has three kinds of structures, and division is following:
First kind of structure: as shown in Figure 1, the utility model comprises quartz sand layer that layering from bottom to top is provided with 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, the gravel bed of material 10, permeable brick layer 11; The gravel bed of material 10 is the gravel aggregate, and is closely knit as far as possible; Permeable brick layer 11 paves for combination; Quartz sand layer 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, the gravel bed of material 10, permeable brick layer 11 all are known common materials, are easy to draw materials.
Embodiment 1: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 10cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 10cm
3Red soil is closely knit; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 5cm
3The red soil soil layer; Sandy gravel layer thickness 9cm; Permeable brick layer thickness 6cm.
Embodiment 2: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 6cm
3The red soil soil layer; Sandy gravel layer thickness 8cm; Permeable brick layer thickness 5cm.
Embodiment 3: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 7cm.
Embodiment 4: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 7cm.
Embodiment 5: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 6cm.
Embodiment 6: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 6cm
3The red soil soil layer; Sandy gravel layer thickness 8cm; Permeable brick layer thickness 5cm.
Embodiment 7: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 10.5cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 10.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 4.5cm
3The red soil soil layer; Sandy gravel layer thickness 8.5cm; Permeable brick layer thickness 6.5cm.
Embodiment 8: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9.5cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 5.5cm
3The red soil soil layer; Sandy gravel layer thickness 9.5cm; Permeable brick layer thickness 5.5cm.
Embodiment 9: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 10cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 10cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 5cm
3The red soil soil layer; Sandy gravel layer thickness 9cm; Permeable brick layer thickness 6cm.
Embodiment 10: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 6cm
3The red soil soil layer; Sandy gravel layer thickness 8cm; Permeable brick layer thickness 5cm.
Embodiment 11: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 7cm.
Embodiment 12: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 7cm.
Embodiment 13: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 4cm
3The red soil soil layer; Sandy gravel layer thickness 10cm; Permeable brick layer thickness 6cm.
Embodiment 14: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 6cm
3The red soil soil layer; Sandy gravel layer thickness 8cm; Permeable brick layer thickness 5cm.
Embodiment 15: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 10.5cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 10.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 4.5cm
3The red soil soil layer; Sandy gravel layer thickness 8.5cm; Permeable brick layer thickness 6.5cm.
Embodiment 16: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9.5cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 5.5cm
3The red soil soil layer; Sandy gravel layer thickness 9.5cm; Permeable brick layer thickness 5.5cm.
The foregoing description is tabulated as follows, and unit is cm:
Positions such as above-mentioned first kind of structure is fit on the way, parking are provided with, and about 80%, are about 95% to the average removal rate of TP to the COD average removal rate, are about 13% to the average removal rate of TN, to NH
4 +The average removal rate of-N is about 92%;
Second kind of structure: as shown in Figure 2, the utility model comprises quartz sand layer that layering from bottom to top is provided with 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, quatre loam layer 12; Quartz sand layer 6, the first red soil soil layer 7, the second red soil soil layer 8, the 3rd red soil soil layer 9, quatre loam layer 12 all are known common materials, are easy to draw materials.
Embodiment 1: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 10cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 10cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 10cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 10cm
3The red soil soil layer.
Embodiment 2: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 9cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 11cm
3The red soil soil layer.
Embodiment 3: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 4: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 5: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 6: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 9cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 11cm
3The red soil soil layer.
Embodiment 7: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 10.5cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 9.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 10.5cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 9.5cm
3The red soil soil layer.
Embodiment 8: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.54～1.64g/cm of thickness 9.5cm
3The red soil soil layer; The second red soil soil layer is 1.47～1.57g/cm of thickness 10.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.17～1.27g/cm of thickness 9.5cm
3The red soil soil layer; Quatre loam layer is 1.36～1.46g/cm of thickness 10.5cm
3The red soil soil layer.
Embodiment 9: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 10cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 10cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 10cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 10cm
3The red soil soil layer.
Embodiment 10: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 9cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 11cm
3The red soil soil layer.
Embodiment 11: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 12: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 13: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 11cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 11cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 9cm
3The red soil soil layer.
Embodiment 14: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 11cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 9cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 11cm
3The red soil soil layer.
Embodiment 15: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 10.5cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 9.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 10.5cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 9.5cm
3The red soil soil layer.
Embodiment 16: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.56～1.62g/cm of thickness 9.5cm
3The red soil soil layer; The second red soil soil layer is 1.49～1.55g/cm of thickness 10.5cm
3The red soil soil layer; The 3rd red soil soil layer is 1.19～1.25g/cm of thickness 9.5cm
3The red soil soil layer; Quatre loam layer is 1.38～1.44g/cm of thickness 10.5cm
3The red soil soil layer.
The foregoing description is tabulated as follows, and unit is cm:
Above-mentioned second kind of structure is adapted at positions such as roadside, vacant lot and is provided with, and about 79%, is about 97% to the average removal rate of TP to the COD average removal rate, is about 25% to the average removal rate of TN, to NH
4 +The average removal rate of-N is about 93%;
The third structure: as shown in Figure 3, the utility model comprises quartz sand layer that layering from bottom to top is provided with 6, the 5th red soil soil layer 13, quatre loam layer 12, lawn 14, and rye grass can be used in the lawn.Quartz sand layer 6, the 5th red soil soil layer 13, quatre loam layer 12, lawn 14 all are known common materials, are easy to draw materials.
Embodiment 1: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 20cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 15cm
3The red soil soil layer; The top turf plant.
Embodiment 2: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 3: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 18cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 17cm
3The red soil soil layer; The top turf plant.
Embodiment 4: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 5: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 18cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 17cm
3The red soil soil layer; The top turf plant.
Embodiment 6: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 7: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 19cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 16cm
3The red soil soil layer; The top turf plant.
Embodiment 8: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.64～1.74g/cm of thickness 21cm
3The red soil soil layer; The second red soil soil layer is 1.36～1.46g/cm of thickness 14cm
3The red soil soil layer; The top turf plant.
Embodiment 9: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 20cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 15cm
3The red soil soil layer; The top turf plant.
Embodiment 10: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 11: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 18cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 17cm
3The red soil soil layer; The top turf plant.
Embodiment 12: layering setting from bottom to top: quartz sand layer thickness 5cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 13: layering setting from bottom to top: quartz sand layer thickness 6cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 18cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 17cm
3The red soil soil layer; The top turf plant.
Embodiment 14: layering setting from bottom to top: quartz sand layer thickness 4cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 22cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 13cm
3The red soil soil layer; The top turf plant.
Embodiment 15: layering setting from bottom to top: quartz sand layer thickness 4.5cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 19cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 16cm
3The red soil soil layer; The top turf plant.
Embodiment 16: layering setting from bottom to top: quartz sand layer thickness 5.5cm; The first red soil soil layer is 1.66～1.72g/cm of thickness 21cm
3The red soil soil layer; The second red soil soil layer is 1.38～1.44g/cm of thickness 14cm
3The red soil soil layer; The top turf plant.
The foregoing description is tabulated as follows, and unit is cm:
The place that above-mentioned the third structure is adapted at the lawn is provided with, and about 79%, is about 97% to the average removal rate of TP to the COD average removal rate, is about 35% to the average removal rate of TN, to NH
4 +The average removal rate of-N is about 96%, to NO
2 --N average removal rate is about 59%.
The action principle of the utility model:
After the COD entering system in the water inlet, after filtration, adsorption are trapped earlier, obtain degraded through microbiological oxidation.
The removal of ammonia nitrogen in the water inlet in system is mainly through following approach:
(1) directly with NH
3Form from system directly the volatilization.It is comparatively obvious that this acts on dry area, and the principal element that influences this process is pH and temperature, general darker this phenomenon of soil layer more a little less than, also step-down gradually of clearance accordingly;
(2) absorption: because the soil particle surface is electronegative, ammonia nitrogen surface positively charged, thus after the ammonia nitrogen entering system at first by soil and other filling adsorption, thereby remove.The CEC of soil has directly determined soil to ammonia nitrogen ionic adsorptive capacity, and the temperature of soil, humidity etc. have determined the adsorptive power of soil to ammonia nitrogen simultaneously;
(3) nitrification: this effect is mainly carried out through mikrobe.Nitrococcus is with NH
4 +Be converted into NO
2 -Obtain energy, nitrifier is with NO
2 -Be converted into NO
3 -Obtain energy, thereby ammonia nitrogen finally is converted into NO
3 -, get on except ammonia nitrogen in form.
(4) denitrification: denitrifying bacteria utilizes nitric nitrogen and nitrite nitrogen as electron acceptor(EA), and the process that under the anaerobic situation, is translated into gas is a denitrification process.Under aerobic condition, because making, the local anaerobic environment that respiration caused of mikrobe also denitrification possibly take place in the soil system under aerobic condition.The factor that influences denitrification has: temperature, pH, nitrate nitrogen content, anaerobic environment etc. whether.NO in soil
2 -Just can generate N with the organism generation chemical reaction in the system when running up to a certain degree
2, N
2O and NO
2Deng.The reason that receives nitrite nitrogen accumulation in the system is generally the nitration reaction process and receives certain and hinder or denitrification process has generated the part nitrite nitrogen; It is much fast that the speed ratio ammonia nitrogen that general nitrite nitrogen is converted into nitric nitrogen is converted into the process of nitrite nitrogen, so the accumulation of nitrite nitrogen is uncommon.Ammonia in system, occurs and can cause that more for a long time pH rises; The activity that has suppressed nitrifier, and nitrococcus is suppressed not obvious, the accumulation of nitrite nitrogen also possibly occur; In denitrification process; When if nitrate nitrogen content is higher relatively, mikrobe then can preferentially utilize nitric nitrogen as electron acceptor(EA), equally also can cause the accumulation of nitrite nitrogen.In addition, in the soil filtration system, aerobic layer and anaerobic layer are that macroscopic view is divided, and have on the microcosmic that the soil particle surface is aerobic, internal structure anaerobic situation.
In the filtration media system, phosphorus mainly chemical precipitation reaction through soil particle and adsorption etc. obtains removing, and in addition, also can remove a part through the assimilation of mikrobe.
After the utility model utilized red soil and improves, on-the-spot disposal rainfall runoff pollutent was to COD, TN, NH
4 +-N, TP all have removal effect clearly, remove the rainfall runoff pollutent, and the load of sewer line when alleviating rainfall avoids rain water-harvesting to cause roadside ponding simultaneously, need not any facility simultaneously and just can reduce Pollutant levels, and be convenient, economical, suitable; Simulate artificial road surface in addition and utilize permeable brick layer to carry out oozing down fast, reduce surface gathered water, slow down flood peak and accumulate etc.; It is little that this method has floor space, on-the-spot disposal, advantage such as initial cost is low, practicality is very strong.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. filtration media system of removing the rainfall runoff pollutent; Comprise filtration media system on the road, it is characterized in that: the filtration media system comprises on the said road: quartz sand layer (6), the first red soil soil layer (7), the second red soil soil layer (8), the 3rd red soil soil layer (9), the gravel bed of material (10), permeable brick layer (11) that layering from bottom to top is provided with.
2. the filtration media system of removal rainfall runoff pollutent according to claim 1 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 3.5～6.5cm; The said first red soil soil layer (7) is 1.54 thick～1.64g/cm of 8.5～11.5cm
3The red soil soil layer; The said second red soil soil layer (8) is 1.47 thick～1.57g/cm of 8.5～11.5cm
3The red soil soil layer; Said the 3rd red soil soil layer (9) is 1.17 thick～1.27g/cm of 3.5～6.5cm
3The red soil soil layer; The said gravel bed of material (10) is the thick gravel aggregate dense layer of 7.5～10.5cm; Said permeable brick layer (11) is the thick permeable brick combination paving layer of 4.5～7.5cm.
3. the filtration media system of removal rainfall runoff pollutent according to claim 1 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 4～6cm; The said first red soil soil layer (7) is 1.56 thick～1.62g/cm of 9～11cm
3The red soil soil layer; The said second red soil soil layer (8) is 1.49 thick～1.55g/cm of 9～11cm
3The red soil soil layer; Said the 3rd red soil soil layer (9) is 1.19 thick～1.25g/cm of 4～6cm
3The red soil soil layer; The said gravel bed of material (10) is the thick gravel aggregate dense layer of 8～10cm; Said permeable brick layer (11) is the thick permeable brick combination paving layer of 5～7cm.
4. the filtration media system of removal rainfall runoff pollutent according to claim 1; It is characterized in that: also comprise vacant lot filtration media system, said vacant lot filtration media system comprises: quartz sand layer (6), the first red soil soil layer (7), the second red soil soil layer (8), the 3rd red soil soil layer (9), quatre loam layer (12) that layering from bottom to top is provided with.
5. the filtration media system of removal rainfall runoff pollutent according to claim 4 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 3.5～6.5cm; The said first red soil soil layer (7) is 1.54 thick～1.64g/cm of 8.5～11.5cm
3The red soil soil layer; The said second red soil soil layer (8) is 1.47 thick～1.57g/cm of 8.5～11.5cm
3The red soil soil layer; Said the 3rd red soil soil layer (9) is 1.17 thick～1.27g/cm of 8.5～11.5cm
3The red soil soil layer; Said quatre loam layer (12) is 1.36 thick～1.46g/cm of 8.5～11.5cm
3The red soil soil layer.
6. the filtration media system of removal rainfall runoff pollutent according to claim 4 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 4～6cm; The said first red soil soil layer (7) is 1.56 thick～1.62g/cm of 9～11cm
3The red soil soil layer; The said second red soil soil layer (8) is 1.49 thick～1.55g/cm of 9～11cm
3The red soil soil layer; Said the 3rd red soil soil layer (9) is 1.19 thick～1.25g/cm of 9～11cm
3The red soil soil layer; Said quatre loam layer (12) is 1.38 thick～1.44g/cm of 9～11cm
3Red soil soil layer (12).
7. according to the filtration media system of claim 1 or 4 described removal rainfall runoff pollutents; It is characterized in that: also comprise lawn filtration media system, said lawn filtration media system comprises: quartz sand layer (6), the 5th red soil soil layer (13), quatre loam layer (12), lawn (14) that layering from bottom to top is provided with.
8. the filtration media system of removal rainfall runoff pollutent according to claim 7 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 3.5～6.5cm; Said the 5th red soil soil layer (13) is 1.64 thick～1.74g/cm of 17～23cm
3The red soil soil layer; Said quatre loam layer (12) is 1.36 thick～1.46g/cm of 12.5～17.5cm
3The red soil soil layer.
9. the filtration media system of removal rainfall runoff pollutent according to claim 7 is characterized in that: said quartz sand layer (6) is the thick quartz sand layer of 4～6cm; Said the 5th red soil soil layer (13) is 1.66 thick～1.72g/cm of 18～22cm
3The red soil soil layer; Said quatre loam layer (12) is 1.38 thick～1.44g/cm of 13～17cm
3The red soil soil layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030472A (en) * | 2014-06-19 | 2014-09-10 | 江西省恩皓环保有限公司 | Modular subsurface infiltration structure and modular subsurface infiltration structure method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104030472A (en) * | 2014-06-19 | 2014-09-10 | 江西省恩皓环保有限公司 | Modular subsurface infiltration structure and modular subsurface infiltration structure method |
| CN104030472B (en) * | 2014-06-19 | 2015-07-08 | 江西省恩皓环保有限公司 | Modular subsurface infiltration structure and modular subsurface infiltration method |
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