CN211255442U - Long-acting repair system for pollution control site in water-deficient area - Google Patents
Long-acting repair system for pollution control site in water-deficient area Download PDFInfo
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- CN211255442U CN211255442U CN201921763754.7U CN201921763754U CN211255442U CN 211255442 U CN211255442 U CN 211255442U CN 201921763754 U CN201921763754 U CN 201921763754U CN 211255442 U CN211255442 U CN 211255442U
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Abstract
The utility model discloses a long-acting restoration system for pollution control sites in water-deficient areas, which comprises a rainwater collection/filtration tank, a dosing tank, a groundwater injection well, an artificial wetland, an extraction well, an extraction pump, a collection and reuse mechanism and a power supply mechanism; the rainwater collection/filtration tank is built on a landscape or a natural hillside; the rainwater collecting/filtering tank is communicated with the inlet of the dosing tank through a pipeline; the outlet of the dosing tank is communicated with the underground water injection well and the artificial wetland through a pipeline; the underground water injection well and the extraction well are respectively built at the upstream and the downstream of the artificial wetland; the extraction well is communicated with the inlet of the extraction pump through a pipeline, and the outlet of the extraction pump is communicated with the artificial wetland and the collection and reuse mechanism through a pipeline; the power supply mechanism provides energy. The utility model discloses combine normal position restoration and constructed wetland technique, restore groundwater as the restoration water with the rainwater through rainwater collection device, reached low cost, low energy consumption and the simple effect of management.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a long-term repair system to water shortage area pollutes management and control place.
Background
In recent years, the ecological environment pollution is more and more emphasized by people, and the field of environmental remediation is rapidly developed. Compared with other environment media, the soil pollution has concealment and hysteresis, the repair process is more complex, the difficulty is higher, and the repair cost is high. The large-scale restoration of the sites with wide pollutant distribution or low overall concentration can cause the problems of excessive restoration and secondary pollution, and the sites are more suitable for long-term management and control measures. Meanwhile, in areas with tense land indexes, in order to improve the land utilization rate, a proper scheme and a proper form are selected for long-term restoration.
In the field of environmental remediation technology, a long-acting remediation system for a control site is rarely applied at present, and the prior art has certain limitations. Chinese patent document CN 208527681U designs a reaction zone structure provided with at least one row of reaction wells at the downstream of the groundwater, and realizes long-term control and repair by replacing the reaction cores in the reaction wells, but the system needs to replace the reaction cores for a long time, the cost is high, and the influence of the complexity of the actual water body on the functions of the reaction cores needs to be discussed. The utility model discloses a long-term repair system of soil among the chinese patent document CN 109030062A is through establishing the monitoring well and collecting and detecting gas in the monitoring well, injects the medicament through the syringe and realizes that daily monitoring and restoration go on simultaneously, and this system uses gas as the monitoring medium, is not suitable for to non-volatile organic matter pollution area, has great application limitation.
In view of this, there is a great research and development demand for a long-term restoration system that combines site hydrogeological conditions and surrounding area environmental conditions, is low in cost, low in energy consumption, and is simple to manage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the technical problem that current long-term repair system in management and control place is with high costs, the management is complicated, the energy consumption is big, provides a long-term repair system to lack water area pollution management and control place, effectively combines place hydrogeological conditions and peripheral region environmental condition, and the effect that reaches low cost, low energy consumption is managed simply simultaneously.
Realize the utility model discloses the technical scheme of purpose is: the long-acting restoration system for the pollution control site in the water-deficient area comprises a rainwater collection/filtration tank, a dosing tank, a groundwater injection well, an artificial wetland, an extraction well, an extraction pump, a collection and reuse mechanism and a power supply mechanism; the rainwater collection/filtration tank is built on a landscape or a natural hillside; the rainwater collecting/filtering tank is communicated with an inlet of the dosing tank through a pipeline; the outlet of the dosing tank is communicated with the underground water injection well and the artificial wetland through a pipeline; the underground water injection well and the extraction well are respectively built at the upstream and the downstream of the artificial wetland; the extraction well is communicated with an inlet of an extraction pump through a pipeline, and an outlet of the extraction pump is communicated with the artificial wetland and the collection and reuse mechanism through a pipeline; the power supply mechanism provides energy required by the system.
The dosing box is communicated with the bottom of the artificial wetland through a pipeline.
And a first control valve and a second control valve are respectively arranged on the outlet of the dosing tank and a pipeline between the underground water injection well and the artificial wetland.
The outlet of the extraction pump is communicated with the upper part of the artificial wetland through a pipeline.
And a third control valve and a fourth control valve are respectively arranged on pipelines between the outlet of the extraction pump and the constructed wetland and between the outlet of the extraction pump and the collecting and recycling mechanism.
And a monitoring device is arranged in the collecting and recycling mechanism.
The power supply mechanism comprises a solar panel and/or a wind driven generator.
By adopting the technical scheme, the utility model discloses following technological effect has:
1. because the system is provided with the rainwater collection/filtration tank as the repair water, the problem of water use in areas with insufficient water resources is effectively solved, and the effect of saving resources is further realized; meanwhile, the rainwater collection/filtration tank is built in the highland and is conveyed by potential energy, so that the problems of high water transportation cost and resource waste are effectively solved, and the low cost and low energy consumption of the system are realized; because the injection well sets up in the constructed wetland upper reaches, make the repair water of adding the medicine pass through gravitational potential energy can be fast and sewage mixing, so solved repair water and sewage mixing insufficient problem, and then realized the quick preliminary restoration of whole quality of water, because the extraction well sets up in constructed wetland low reaches, the water of restoreing passes through the extraction pump and gets into constructed wetland, carry out the secondary and restore so, the not enough problem of sewage restoration has been solved, high-efficient prosthetic effect has been realized, owing to set up and collected retrieval and utilization mechanism, the water problem in water shortage area has effectively been solved, and then resource-saving's effect has been realized.
2. Because the structure that adopts the medical kit to pass through the pipe connection constructed wetland bottom, so, effectively solved the not prominent problem of constructed wetland treatment sewage effect, and then realized the high-efficient processing of sewage.
3. The structure that the control valves are respectively arranged on the dosing tank, the underground water injection well and the connecting pipeline of the artificial wetland is adopted, so that the injection of the repair water is conveniently controlled.
4. Because the outlet of the extraction pump is arranged at the upper part of the artificial wetland, the artificial wetland can fully repair the sewage, and the effect of efficient repair is realized.
5. Because the control valves are respectively arranged on the pipelines between the outlet of the extraction pump and the constructed wetland and between the extraction pump and the collecting and recycling mechanism, the reinjection and the taking of the underground water are conveniently controlled.
6. Because the collecting and recycling mechanism is provided with the monitoring device, the real-time monitoring of the groundwater remediation degree is realized.
7. Because the solar panel and/or the wind driven generator are/is adopted to provide electric energy, the problems of high cost and pollution of a common power generation mode are effectively solved, and the effects of low cost and environment protection are further realized.
8. Because the monitoring device is adopted to monitor the water quality, if the treatment reaches the standard, the water is recycled according to the requirement through the collecting and recycling mechanism, and the water resource is effectively saved for the area lacking the water resource; if the underground water quality does not reach the standard, injecting the artificial wetland for repairing for many times, and effectively ensuring the deep cleanness of the underground water; the monitoring of the water quality also has the effect of changing the medicine application at any time according to the water quality, and the multi-type restoration of the water quality is realized by adjusting the medicine amount and adding different medicines or microbial agents in an upstream medicine adding box through pollutant analysis.
9. Because the utility model discloses collect the rainwater/the filtering ponds sets up in natural view, reunion constructed wetland carries out the normal position restoration, has combined the view design, effectively improves the pleasing to the eye degree of repair system, improves management and control place aspect.
10. Due to the adoption of the technology of combining in-situ remediation with the artificial wetland, the system oxidation-reduction atmosphere can be adjusted, and the method is universal, is suitable for low-concentration non-volatile organic pollutants and petroleum hydrocarbons, and is also suitable for the remediation of macro conventional pollutants such as ammonia nitrogen, sulfate and other indexes.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings are as follows:
1, landscape or natural hillside; a rainwater collection/filtration tank 2; a dosing tank 3; an underground water injection well 4; 5, artificial wetland treatment; an extraction well 6; an extraction pump 7; a first control valve 8; a second control valve 9; a third control valve 10; a fourth control valve 11; a solar panel 12; a wind power generator 13.
Detailed Description
(example 1)
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
As shown in fig. 1, the long-term remediation system for the pollution control site in the water-deficient area of the present embodiment includes a rainwater collection/filtration tank 2, a dosing tank 3, an underground water injection well 4, an artificial wetland 5, an extraction well 6, an extraction pump 7, a collection and reuse mechanism, and a power supply mechanism.
The rainwater collection/filtration tank 2 is built on a landscape or natural hillside 1, and rainwater is collected as restoration water, so that the problem of water use in areas with insufficient water resources is effectively solved; and the rainwater collection/filtration tank 2 is arranged at a high position and is communicated with the inlet of the dosing tank 3 through a pipeline, so that the gravitational potential energy is fully utilized to convey the repairing water, the energy consumption is reduced, and the conveying cost is saved.
Still referring to fig. 1, the outlet of the dosing tank 3 is communicated with the groundwater injection well 4 and the artificial wetland 5 through a pipeline, and a first control valve 8 and a second control valve 9 are respectively arranged on the pipeline between the groundwater injection well 4 and the artificial wetland 5, so that the injection of the remediation water is conveniently controlled.
The underground water injection well 4 is built at the upstream of the artificial wetland 5, so that the dosed restoration water can be quickly mixed with sewage through gravitational potential energy, and the restoration efficiency of the water body is improved; an extraction well 6 is arranged at the downstream of the artificial wetland 5, the primarily repaired underground water is injected into the artificial wetland 5 through an extraction pump 7, and the injection port is arranged at the upper part of the artificial wetland 5, so that the artificial wetland can fully repair the sewage, and the efficient repairing effect is realized; in consideration of the insufficient purification capacity of the artificial wetland, the pipeline is introduced into the bottom of the artificial wetland and is communicated with the dosing tank 3, so that the restoration agent can be fully injected into the artificial wetland, and the restoration rate of the artificial wetland is improved.
The outlet of the extraction pump 7 is also connected with a collecting and recycling mechanism, the mechanism is provided with a monitoring device, the quality of underground water can be monitored in real time, and if the treatment reaches the standard, the underground water is recycled according to the requirement through the collecting and recycling mechanism, so that water resources are effectively saved for the area lacking water resources; if the underground water quality does not reach the standard, injecting the artificial wetland for repairing for many times, and effectively ensuring the deep cleanness of the underground water; the monitoring of the water quality also has the effect of changing the medication at any time according to the water quality, and the upstream dosing tank adjusts the dosage and adds different medicines or microbial agents through pollutant analysis.
And a third control valve 10 and a fourth control valve 11 are respectively arranged on pipelines between the outlet of the extraction pump 7 and the constructed wetland 5 and the collecting and recycling mechanism, so that the reinjection and the taking of underground water can be conveniently controlled.
The power supply mechanism of the whole system comprises the solar panel 12 and/or the wind driven generator 13, so that the problems of high cost and pollution of a common power generation mode are effectively solved, and the effects of low cost, low energy consumption and environmental protection are realized.
Still see fig. 1, the system sets up effectively in natural landscape and improves the pleasing to the eye degree of repair system, improves the management and control place face.
The repairing method of the long-acting repairing system for the pollution control site in the water-deficient area comprises the following steps:
step one, a rainwater collecting/filtering tank 2 is established on a landscape or natural hillside 1 in a water resource shortage area, and collected and filtered rainwater enters a dosing tank 3 under the action of gravity, so that the cost is effectively reduced, and the energy consumption is reduced;
step two, adding a repairing medicament or a special microbial agent into the dosing tank 3 according to the type of the pollutant;
thirdly, controlling the water in the dosing tank 3 to enter the underground water injection well 4 or the artificial wetland 5 by controlling the first control valve 8 and the second control valve 9 to realize first-step dosing repair;
establishing an extraction well 6 in the downstream area of the artificial wetland 5, and extracting through an extraction pump 7;
controlling water pumped up by the extraction pump 7 to enter a collecting and recycling mechanism by controlling a third control valve 10, and monitoring the groundwater remediation condition by a monitoring device in the collecting and recycling mechanism; if the treatment reaches the standard, the water in the collecting and recycling mechanism is recycled according to the requirement, so that the water resource is saved for the area lacking the water resource; if the water quality does not reach the standard, the water pumped by the extraction pump 7 is controlled by the fourth control valve 11 to enter the artificial wetland 5, and the water is continuously restored until the water quality reaches the standard, so that the cleanliness of the water body is ensured.
The method adopts the technology of combining in-situ remediation with artificial wetland, can adjust the oxidation-reduction atmosphere of the system, has good universality, is suitable for low-concentration non-volatile organic pollutants and petroleum hydrocarbon, and is also suitable for the remediation of macro conventional pollutants such as ammonia nitrogen, sulfate and other indexes.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. Long-term repair system to water deficiency area pollution management and control place, its characterized in that: comprises a rainwater collecting/filtering tank (2), a dosing tank (3), a groundwater injection well (4), an artificial wetland (5), an extraction well (6), an extraction pump (7), a collecting and recycling mechanism and a power supply mechanism; the rainwater collection/filtration tank (2) is built on a landscape or a natural hillside (1); the rainwater collecting/filtering tank (2) is communicated with an inlet of the dosing tank (3) through a pipeline; the outlet of the dosing tank (3) is communicated with an underground water injection well (4) and the artificial wetland (5) through a pipeline; the underground water injection well (4) and the extraction well (6) are respectively built at the upstream and the downstream of the artificial wetland (5); the extraction well (6) is communicated with an inlet of an extraction pump (7) through a pipeline, and an outlet of the extraction pump (7) is communicated with the artificial wetland (5) and the collection and reuse mechanism through a pipeline; the power supply mechanism provides energy required by the system.
2. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: the dosing tank (3) is communicated with the bottom of the artificial wetland (5) through a pipeline.
3. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: and a first control valve (8) and a second control valve (9) are respectively arranged on a pipeline between the outlet of the dosing tank (3) and the underground water injection well (4) and the artificial wetland (5).
4. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: the outlet of the extraction pump (7) is communicated with the upper part of the artificial wetland (5) through a pipeline.
5. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: and a third control valve (10) and a fourth control valve (11) are respectively arranged on pipelines between the outlet of the extraction pump (7) and the constructed wetland (5) and the collecting and recycling mechanism.
6. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: and a monitoring device is arranged in the collecting and recycling mechanism.
7. The long-term remediation system for water-deficient areas pollution control sites of claim 1, wherein: the power supply mechanism comprises a solar panel (12) and/or a wind driven generator (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921763754.7U CN211255442U (en) | 2019-10-21 | 2019-10-21 | Long-acting repair system for pollution control site in water-deficient area |
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| CN201921763754.7U CN211255442U (en) | 2019-10-21 | 2019-10-21 | Long-acting repair system for pollution control site in water-deficient area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110563161A (en) * | 2019-10-21 | 2019-12-13 | 上海洁壤环保科技有限公司 | long-acting restoration system and method for pollution control site in water-deficient area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110563161A (en) * | 2019-10-21 | 2019-12-13 | 上海洁壤环保科技有限公司 | long-acting restoration system and method for pollution control site in water-deficient area |
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