CN217350929U - Permeable aeration wall groundwater prosthetic devices - Google Patents
Permeable aeration wall groundwater prosthetic devices Download PDFInfo
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- CN217350929U CN217350929U CN202220246419.5U CN202220246419U CN217350929U CN 217350929 U CN217350929 U CN 217350929U CN 202220246419 U CN202220246419 U CN 202220246419U CN 217350929 U CN217350929 U CN 217350929U
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- aeration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model belongs to the field of groundwater remediation, in particular to a permeable aeration wall groundwater remediation device, which comprises a permeable aeration wall body, an aeration pipeline arranged in the permeable aeration wall body and aeration holes arranged on the aeration pipeline; the aeration pipeline is communicated with an aeration device arranged on the ground through a gas transmission pipeline; the permeable aeration wall body is communicated with a tail gas treatment device through a tail gas pipe. The permeable aeration wall underground water repairing device does not need to add reaction fillers, saves cost, and can avoid the problem that the fillers harden to block a channel.
Description
Technical Field
The utility model belongs to groundwater remediation field, concretely relates to permeable aeration wall groundwater prosthetic devices.
Background
In recent years, in the project of repairing underground water polluted sites, a plurality of plots with large polluted areas, deep pollution degrees and complex pollutant types appear. The independent and combined use of various in-situ and ex-situ remediation technologies combined with the local characteristics of the land is valuable experience accumulated in the polluted groundwater remediation industry of China. However, due to the complexity of polluted groundwater, especially under the influence of factors such as large polluted area, unsuitability for large-scale excavation of earth surface or incapability of ex-situ remediation due to condition limitation, the advantages of the in-situ remediation technology are gradually highlighted, and the in-situ remediation technology is more and more widely applied to remediation engineering of polluted sites.
The groundwater permeable reactive wall technology and the groundwater aeration technology are two technologies which are applied in the actual groundwater remediation project in China, and are mostly used for remedying the organic polluted groundwater plots. How to improve the efficiency and the influence range of groundwater aeration is always a hotspot of research in the field of groundwater remediation.
The project combines ideas of constructing a groundwater reaction wall body and expanding an aeration range, provides a permeable aeration wall technology for groundwater remediation, increases effective area of groundwater aeration through an aeration pipe horizontally arranged at the bottom of the aeration wall, improves removal efficiency of volatile and semi-volatile organic pollutants in groundwater, can realize efficient remediation of polluted groundwater, and has good reference value for in-situ developed remediation engineering practice.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permeable aeration wall groundwater prosthetic devices.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a permeable aeration wall groundwater remediation device comprises a permeable aeration wall body, an aeration pipeline arranged in the permeable aeration wall body and aeration holes arranged on the aeration pipeline; the aeration pipeline is communicated with an aeration device arranged on the ground through a gas transmission pipeline; the permeable aeration wall body is communicated with a tail gas treatment device through a tail gas pipe.
The aeration pipeline is arranged at the bottom of the permeable aeration wall body; the aeration pipeline is provided with a plurality of pipelines.
The aeration holes are vertically arranged towards the ground.
An aeration disc is arranged on the aeration hole;
the permeable aeration wall is arranged at the downstream of the groundwater flow direction, and the depth of the permeable aeration wall is the bottom of the polluted groundwater.
Compared with the prior art, the beneficial effects of the utility model are that:
the permeable aeration wall underground water repairing device does not need to add reaction fillers, saves cost, and can avoid the problem that the fillers harden to block a channel.
The bottom of the permeable aeration wall is provided with an aeration pipeline, and the aeration pipeline is uniformly aerated upwards through aeration holes or aeration discs, so that volatile pollutants in underground water are separated from the underground water through the stripping effect, and finally the pollutants are collected to a ground tail gas treatment device for treatment; the number of the aeration pipes and the number of the aeration holes can be properly adjusted according to the type and the number of pollutants; the aeration holes can be provided with aeration discs according to actual requirements; the aeration device is generally prepared in a one-use-one-standby mode, and the type of the aeration device is required to be selected according to actual requirements.
Drawings
FIG. 1 is a schematic view of the whole structure of the permeable aeration wall groundwater remediation device of the utility model.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the best embodiment.
FIG. 1 shows a permeable aeration wall groundwater remediation device, which comprises a permeable aeration wall body 3, an aeration pipeline 9 arranged in the permeable aeration wall body, and aeration holes 10 arranged on the aeration pipeline; the aeration pipeline is communicated with an aeration device 2 arranged on the ground through a gas transmission pipeline 8; the gas transmission pipeline is arranged from the ground to the position of the aeration pipeline along the wall plate of the permeable aeration wall body, and the distance between the gas transmission pipeline and the wall plate is 5-10 cm.
The permeable reactive wall 3 is constructed by selecting materials which can allow underground water to pass through but can block air; the permeable aeration wall body is arranged at the downstream of the flow direction of the underground water pollution source 6, and the depth of the permeable aeration wall body is the bottom of the polluted underground water pollution halo 7.
The permeable aeration wall body is communicated with a tail gas treatment device 5 through a tail gas pipe 4. The polluted gas in the permeable aeration wall body is conveyed to a tail gas treatment device through a tail gas pipe 4 and is finally removed from the whole system. The thickness of the permeable aeration wall body in the embodiment is 10-50cm, and the length is 100-1000 cm; the inner diameter of the aeration pipeline is 2 cm;
the aeration device is connected with a power supply 1 through a power line 11; the aeration pipeline is arranged at the bottom of the permeable aeration wall body; the aeration pipeline is provided with a plurality of pipelines.
The aeration holes 10 are vertically opened towards the ground. Namely, the upper half part of the aeration pipeline 9 is provided with aeration holes 10, and the lower half part is not provided with aeration holes; the aeration holes are uniformly and tightly arranged, and the specific interval can be properly adjusted according to the actual condition; an aeration disc can be arranged on the aeration hole according to the requirement;
the permeable aeration wall underground water remediation device comprises the following sequences and steps:
a. determining the position of a permeable aeration wall body and the depth of the permeable aeration wall body according to the hydrogeological conditions of the underground water polluted area, wherein the bottom plate of the permeable aeration wall body is the bottom plate of the polluted underground water;
b. determining the number of the air distribution pipes 9 and the air distribution holes 10 according to the type and the number of the pollutants;
c. fixing the aeration pipeline 9 with the aeration holes at a proper position in the permeable aeration wall body, and connecting the gas transmission pipeline 8 and the aeration device 2;
d. connecting a tail gas pipe 4 with a tail gas treatment device 5 on the ground, and connecting an aeration device 2 with a power supply 1;
e. maintenance and repair of the permeable aeration wall and the aeration apparatus are required at regular intervals.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. A permeable aeration wall groundwater remediation device is characterized by comprising a permeable aeration wall, an aeration pipeline arranged in the permeable aeration wall and aeration holes arranged on the aeration pipeline; the aeration pipeline is communicated with an aeration device arranged on the ground through a gas transmission pipeline; the permeable aeration wall body is communicated with a tail gas treatment device through a tail gas pipe.
2. A permeable aeration wall groundwater remediation device as claimed in claim 1, wherein the aeration pipe is arranged at the bottom of the permeable aeration wall; the aeration pipeline is a plurality of pipelines.
3. A permeable aeration wall groundwater remediation device as claimed in claim 1 wherein the aeration holes are open vertically to the ground.
4. A permeable aeration wall groundwater remediation device as claimed in claim 1 wherein the permeable aeration wall is provided downstream of the groundwater flow direction to a depth at the bottom of the contaminated groundwater.
5. A permeable aeration wall groundwater remediation device as claimed in claim 1 wherein the aeration holes are provided with aeration discs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246419.5U CN217350929U (en) | 2022-01-30 | 2022-01-30 | Permeable aeration wall groundwater prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220246419.5U CN217350929U (en) | 2022-01-30 | 2022-01-30 | Permeable aeration wall groundwater prosthetic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217350929U true CN217350929U (en) | 2022-09-02 |
Family
ID=83044253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220246419.5U Active CN217350929U (en) | 2022-01-30 | 2022-01-30 | Permeable aeration wall groundwater prosthetic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217350929U (en) |
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2022
- 2022-01-30 CN CN202220246419.5U patent/CN217350929U/en active Active
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