Membrane treatment method and apparatus for underground wastewater

Abstract

The invention discloses a membrane treatment device for underground wastewater. The membrane treatment device comprises a precision filter system, a booster pump system, a membrane treatment main device system, a dosing system, an instrument analysis and monitoring system, and an automatic control system 6, wherein the underground wastewater sequentially flows from the precision filter system and the booster pump system to the membrane treatment main device system through a pipeline; the dosing system is used for adding chemicals on an underground wastewater inlet; instrument monitoring points of the instrument analysis and monitoring system are respectively arranged on pipeline measuring points of the precision filter system and the booster pump system; the automatic control system is connected to an input of the instrument analysis and monitoring system, and an output of the instrument analysis and monitoring system is connected to corresponding control ends of the membrane treatment main device and the dosing system; the instrument analysis and monitoring system and the automatic control system are arranged on a same platform or in a plant, and are integrally connected through various corrosion resistant pipelines and cables; through a valve and a water pump of the membrane treatment main device system, operation under different pressures and flows is realized, so that underground water polluted in various ways is treated.

Description

technical field [0001] The device of the present invention is a special equipment device for treating polluted groundwater, which adopts the most widely used membrane technology for treatment at present. Installed near deep wells or mines where groundwater is seriously polluted, it specializes in treating polluted groundwater sources. When groundwater sources are polluted, it helps to quickly remove pollutants and restore the original characteristics of groundwater sources. The working pressure is 0.1-4.0MPa, and the treated water volume is 10-1000t / h. Background technique [0002] One-third of China's total water resources are groundwater. Experts from the China Geological Survey mentioned in a speech at the International Groundwater Forum that 90% of the country's groundwater has been polluted to varying degrees, of which 60% are seriously polluted. According to the continuous monitoring data of 118 cities by relevant departments, about 64% of the urban groundwater is ser...

AI Technical Summary

Problems solved by technology

Considering from the perspective of enterprise investment and production efficiency, first, the amount of treatment project is huge and difficult to implement; second, the treatment technology is difficult; third, the economic cost of treatment is high and there is no short-term return

It can be seen that there are huge technical and economic difficulties in the treatment of groundwater pollution at present.

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