CN218309999U - Acid waste residue risk management and control and ecological remediation structure - Google Patents
Acid waste residue risk management and control and ecological remediation structure Download PDFInfo
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- CN218309999U CN218309999U CN202221109118.4U CN202221109118U CN218309999U CN 218309999 U CN218309999 U CN 218309999U CN 202221109118 U CN202221109118 U CN 202221109118U CN 218309999 U CN218309999 U CN 218309999U
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Abstract
The utility model provides an acid waste residue risk management and control and ecological remediation structure, including the ground layer, be equipped with the place that is used for stacking, neutralization treatment acid waste slag material on this ground layer of its characterized in that, lie in the place low side on the ground layer and set up the retaining dam and the vertical separation body that block acid waste slag material. When conveniently accomplishing acid waste slag material and stacking in the place, mix quick lime to it and carry out neutralization treatment to adjust the pH value of acid waste slag material exhaust sour water, realize the management and control to sour water, rainwater, can not lead to ecological remediation layer to destroy because of ponding in the place of stacking, neutralizing treatment acid waste slag material, make the risk management and control and the ecological remediation effect of acid waste slag material obtain guaranteeing.
Description
Technical Field
The utility model relates to an ecological environment manages and restores technical field, specifically is an acid waste residue risk management and control and ecological remediation structure.
Background
In the national economic development process, the disordered accumulation of the waste residues left by mining and soil smelting damages the surrounding ecological environment, such as the exceeding of the underground water quality monitoring result and the serious damage of surface vegetation. At present, the technologies for managing, controlling and repairing the acid waste residues mainly comprise: 1. directly planting vegetation after covering soil; 2. after the storage yard site is selected alternatively, a storage yard is newly built according to the GB18599 requirement; 3. resource utilization, and ecological restoration after dredging is completed.
Firstly, the risk control effect of directly planting vegetation after earthing is not obvious, the repair period is long, the survival rate of vegetation is low, a new ecological environment influence is caused by overlaying the land while solving the problem of disposal of historical remained waste residues by a newly-built storage field, the original field needs to be ecologically repaired, and the repair cost is high; secondly, the treatment technology only solves the problem of removing the waste residues, does not effectively control the sewage flow caused by the waste residues, causes pollution to the surrounding environment and cannot achieve the risk control in the true sense.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides an acidic waste residue risk control and ecological restoration structure, which solves the problem of environmental damage caused by directly covering the land with the historical legacy waste residue of a newly-built storage yard, improves the survival rate of vegetation and realizes restoration of ecological environment; meanwhile, the water flow polluted by the waste residues is effectively controlled, the surrounding environment is protected, the waste water is prevented from polluting the surrounding environment, and the risk control in the true sense is achieved.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an acid waste residue risk management and control and ecological remediation structure, includes the ground layer, is equipped with the place that is used for stacking, handles the acid waste residue material in with on this ground layer of its characterized in that, lies in the place low side on the ground layer and sets up the dam and the vertical barrier that block the acid waste residue material to when accomplishing the acid waste residue material in place and stacking, to mixing quick lime therein and carrying out neutralization treatment, with the pH value of adjusting the acid water of acid waste residue material exhaust.
The ground layer low side just is located and blocks dam the place ahead and be equipped with the collecting tank, is stacking, is equipped with the honeycomb duct of intercommunication collecting tank with the place bottom of handling acid waste slag material for in time introduce the collecting tank through the honeycomb duct with place exhaust acid water, rainwater and collect, handle, realize the management and control to acid water, rainwater, make stack, can not lead to ecological remediation layer destruction because of ponding in the place of handling acid waste slag material in with.
The waste acid residue stacking and treating field is characterized in that filament geotextile is arranged on the waste acid residue, a surface blocking layer is arranged on the filament geotextile, a geotechnical composite drainage net is arranged on the surface blocking layer, a ploughing soil layer is arranged on the geotechnical composite drainage net, water ditches distributed vertically and horizontally are arranged in the ploughing soil layer, flood intercepting ditches communicated with the water ditches are arranged on the periphery of the ploughing soil layer, so that peripheral rainwater is collected through the flood intercepting ditches and is discharged outside, meanwhile, water in the water ditches is guided into the flood intercepting ditches and is discharged outside, scouring and soaking of the acid residue stacking and treating field by rainwater are reduced, and water in the acid residue stacking and treating field is controlled.
And a plurality of planting pits are arranged in the cultivation soil layer at intervals, cultivation soil is filled in the planting pits, corresponding plants are planted, and the plants are shrubs or adaptive grass seeds so as to restore the ecological environment.
The ground layer bottom is equipped with the water barrier, ensures the waste residue risk management and control, stops the unordered infiltration stratum of acid waste residue material water and waste water.
The surface barrier layer is a high-density polyethylene geomembrane, the thickness of the surface barrier layer is 1.5mm, the thickness of a cultivated soil layer is 0.45m, the thickness is not more than 0.6m, plants which are suitable for growing on the surface layer of waste residues are planted in planting pits, such as roxburgh roses with undeveloped root systems and transverse growth, or one or more of alfalfa, ryegrass, bermuda grass, high wool grass, white clover and broad leaf grass, a plant community layer is formed, the thickness of the covering soil is controlled according to the stacking gradient of the whole field, the leveling gradient is smaller than the range of 1.0, and the thickness of the covering soil is 0.5m.
The utility model discloses possess following beneficial effect:
1. according to the invention, the ground layer is provided with the site for stacking, neutralizing and disposing the acidic waste slag, and the rock-soil layer is provided with the blocking dam and the vertical blocking body at the lower end of the site for blocking the acidic waste slag, so that the stacking of the acidic waste slag can be conveniently completed in the site, and meanwhile, quicklime is mixed in the site for neutralizing and disposing, thereby regulating the pH value of acidic water discharged by the acidic waste slag.
2. According to the invention, the flood intercepting ditch outside the field is arranged, rainwater at the periphery is intercepted to wash waste residues, the flow guide pipe is arranged at the bottom of the acidic waste residue material to guide acidic waste water and rainwater to flow into the liquid collecting tank outside the field for treatment, the water-resisting layer is arranged at the bottom end of the rock layer of the field, and the surface blocking layer is arranged at the top end of the acidic waste residue material to block the overflow of the acidic waste water, so that the control on the acidic water and the rainwater is realized, and the ecological restoration layer cannot be damaged due to accumulated water in the field for stacking, neutralizing and treating the acidic waste residue material.
3. The invention uses the filament geotextile, the surface barrier layer, the geotechnical composite drainage net and the cultivated soil layer on the acid waste residue material, and simultaneously arranges the ditches which are distributed vertically and horizontally in the cultivated soil layer, and arranges the flood interception ditch which is communicated with the ditches at the periphery of the cultivated soil layer, so as to collect the peripheral rainwater through the flood interception ditch and discharge the rainwater outside, and simultaneously guides the water in the ditches into the flood interception ditch and then discharges the rainwater outside, thereby reducing the scouring and soaking of the acid waste residue material stacking treatment field by the rainwater, and simultaneously controlling the water of the acid waste residue material stacking treatment field.
4. According to the invention, plants suitable for growth are planted in the cultivated soil layer, the geotechnical composite drainage network and the rainwater ditch network in the field are arranged, so that accumulated water is not formed in the field to cause damage of the ecological restoration layer, especially the vegetation layer, the surface barrier layer isolates acid wastewater, the vegetation survival rate is improved, and the risk control and ecological restoration effects of the acid waste slag are ensured.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a longitudinal sectional structural view of FIG. 1;
fig. 3 is a cross-sectional structure view of fig. 1.
Wherein, 1, a liquid collecting tank; 2. an acidic waste slag charge; 3. a rock-soil layer; 4. a water barrier layer; 5. a blocking dam; 6. a vertical barrier; 7. a surface barrier layer; 8. intercepting the flood ditch; 9. a ditch; 10. cultivating and planting a soil layer; 11. a flow guide pipe; 12. filament geotextile; 13. a geotechnical composite drainage network; 14. and (5) planting pits.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 3, an embodiment of the present invention provides an acid waste residue risk management and control and ecological restoration structure, including a rock-soil layer 3, where a site for stacking, neutralizing and disposing acid waste residue 2 is disposed on the rock-soil layer 3, and a blocking dam 5 and a vertical blocking body 6 for blocking the acid waste residue 2 are disposed on the rock-soil layer 3 at a lower end of the site, so as to mix quicklime therein for neutralization and disposition while completing stacking of the acid waste residue 2 on the site, so as to adjust a pH value of acid water discharged from the acid waste residue 2;
the liquid collecting pool 1 is arranged at the lower end of the rock-soil layer 3 in front of the blocking dam 5, the bottom of a field for stacking, neutralizing and disposing the acid waste slag 2 is provided with a flow guide pipe 11 communicated with the liquid collecting pool 1, and the flow guide pipe 11 is used for introducing acid water and rainwater discharged from the field into the liquid collecting pool 1 through the flow guide pipe 11 for collection and treatment in time, so that the management and control of the acid water and the rainwater are realized, and the ecological restoration layer cannot be damaged due to water accumulation in the field for stacking, neutralizing and disposing the acid waste slag 2;
the method is characterized in that a filament geotextile 12 is arranged on the acid waste residue 2, a surface barrier layer 7 is arranged on the filament geotextile 12, a geotechnical composite drainage net 13 is arranged on the surface barrier layer 7, a ploughing soil layer 10 is arranged on the geotechnical composite drainage net 13, water ditches 9 which are vertically and horizontally distributed are arranged in the ploughing soil layer 10, a flood interception ditch 8 which is communicated with the water ditches 9 is arranged at the periphery of the ploughing soil layer 10, peripheral rainwater is collected through the flood interception ditch 8 and is discharged outside, meanwhile, water in the water ditches 9 is guided into the flood interception ditch 8 and is discharged outside, so that the scouring and soaking of the acid waste residue 2 stacking disposal site by rainwater are reduced, and simultaneously, the water of the acid waste residue 2 stacking disposal site is controlled;
a plurality of planting holes 14 are arranged in the cultivation soil layer 10 at intervals, planting soil is filled in the planting holes 14, and corresponding plants are planted, wherein the plants are shrubs or adaptive grass seeds, so that the ecological environment is restored;
the bottom of the rock-soil layer 3 is provided with a water-resisting layer 4, so that the risk control of the waste residue is guaranteed, and the disordered infiltration of the acid waste residue 2 and the waste water into the stratum is avoided;
the surface barrier layer 7 is a high-density polyethylene geomembrane, the thickness of the surface barrier layer is 1.5mm, the thickness of a cultivated soil layer 10 is 0.45m, the thickness is not more than 0.6m, a planting pit 14 is used for planting plants which are suitable for growing on the surface layer of waste residues, such as roxburgh roses with undeveloped root systems and transverse growth, or one or more of alfalfa, ryegrass, bermuda grass, high wool grass, white clover and broad leaf grass, a plant community layer is formed, the thickness of the covering soil is controlled according to the stacking gradient of the whole field, the leveling gradient is smaller than the range of 3.0, and the thickness of the covering soil is 0.5m.
Claims (3)
1. An acid waste residue risk control and ecological restoration structure comprises a rock-soil layer, and is characterized in that a site for stacking, neutralizing and treating acid waste residue materials is arranged on the rock-soil layer, and a blocking dam and a vertical blocking body for blocking the acid waste residue materials are arranged at the lower end of the site on the rock-soil layer;
a liquid collecting tank is arranged at the lower end of the rock-soil layer and in front of the blocking dam, and a flow guide pipe communicated with the liquid collecting tank is arranged at the bottom of a site for stacking, neutralizing and treating the acidic waste slag;
the soil-water-saving and soil-water-saving cultivation device is characterized in that filament geotextile is arranged on the acid waste slag material, a surface barrier layer is arranged on the filament geotextile, a soil-water composite drainage net is arranged on the surface barrier layer, a cultivation soil layer is arranged on the soil-water composite drainage net, water ditches which are distributed longitudinally and transversely are arranged in the cultivation soil layer, and flood-intercepting ditches communicated with the water ditches are arranged on the periphery of the cultivation soil layer.
2. The acid sludge risk management and control and ecological remediation structure of claim 1, wherein: and a plurality of planting pits are arranged in the cultivation soil layer at intervals, and planting soil is filled in the planting pits and corresponding plants are planted.
3. The acid sludge risk management and control and ecological restoration structure of claim 1, wherein: and a water-resisting layer is arranged at the bottom of the rock-soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109118.4U CN218309999U (en) | 2022-05-10 | 2022-05-10 | Acid waste residue risk management and control and ecological remediation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221109118.4U CN218309999U (en) | 2022-05-10 | 2022-05-10 | Acid waste residue risk management and control and ecological remediation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218309999U true CN218309999U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221109118.4U Active CN218309999U (en) | 2022-05-10 | 2022-05-10 | Acid waste residue risk management and control and ecological remediation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218309999U (en) |
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2022
- 2022-05-10 CN CN202221109118.4U patent/CN218309999U/en active Active
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