A device for oxidation coupling treatment of contaminated groundwater

By designing an oxidation coupling device for treating contaminated groundwater, the height control and position monitoring mechanism are used to automatically adjust the position of the airbag pump, and the water suction head is driven up and down through the water absorption and pneumatic mechanism, the problem that the existing devices cannot effectively extract oil floats, and efficient and automatic oil float extraction and purification effects are achieved.

CN116143265BActive Publication Date: 2025-03-18ACAD OF ENVIRONMENTAL PLANNING & DESIGN GRP CO LTD NANJING UNIV
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Patent Information

Application Number
CN202310229658.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-10
Publication Date
2025-03-18
Estimated Expiration
2043-03-10

AI Technical Summary

Technical Problem

The existing multi-phase extraction device cannot effectively extract oil slimming from the groundwater surface, and it is time-consuming and labor-intensive to operate in an environment with variable liquid surface level.

Method used

A device for oxidation coupling treatment of polluted groundwater was designed. The height control mechanism was used to automatically adjust the position of the airbag pump, combined with the position monitoring mechanism to monitor the liquid level in real time, and the water suction head was driven up and down through the water absorption mechanism and the pneumatic mechanism to achieve efficient extraction of oil slimming.

Benefits of technology

It realizes automatic adjustment of the airbag pump position, reduces the time and labor of artificial adjustment, is suitable for environments with variable liquid surfaces, and improves the efficiency and purification effect of oil slimming extraction.

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Abstract

The invention discloses a device for treating polluted groundwater by oxidation coupling, comprising a groundwater treatment mechanism, wherein the groundwater treatment mechanism comprises an extraction well, wherein the interior of the extraction well is filled with quartz sand; a water suction head can be driven to move up and down by a pressing mechanism, and a pressing valve is controlled at the same time; when the water suction head moves upward to an extremely high dead point, its bottom end is pulled out from a liquid surface; when the water suction head moves downward to an extremely low dead point, its bottom end is reinserted into a solution; the water suction head moves up and down once in this way, so that floating oil on the surface of the groundwater can enter the interior thereof, which is not affected by the thickness of the floating oil layer, and is helpful to accelerate the speed of extracting the floating oil and increase the purification efficiency; the pressing mechanism can be locked by a replacement mechanism, so that the pressing mechanism no longer rotates; at this time, the water suction mechanism, the water suction head, the pressing mechanism, and the pneumatic mechanism are completely immersed in the groundwater, and are used to extract polluted groundwater; the applicability is good, and the practicability of the device for treating polluted groundwater by oxidation coupling is further improved.
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