Electric microfiltration device system for synchronously removing hardness and harmful metal of drinking water

Abstract

The invention relates to the field of drinking water safety guarantee, in particular to an electric microfiltration device system for synchronously removing hardness and harmful metal in drinking water. In the electric microfiltration device system for synchronously removing the hardness and the harmful metal in the drinking water, a feed liquid pool is connected with a first pump body through a guide pipe, the first pump body is connected with a cathode chamber through a guide pipe, the cathode chamber is connected with a pressure gauge through a guide pipe, the pressure gauge is connected with a second pump body through a guide pipe, and the second pump body is connected with an anode chamber through a guide pipe; and the anode chamber is connected with the third pump body through a conduit. According to the invention, calcium carbonate is precipitated by using the strong alkaline atmosphere in the cathode chamber, the membrane surface and the membrane holes, harmful metal ions generate co-precipitation in the precipitation process, and generated insoluble crystals are synchronously intercepted by the microfiltration membrane. And the cathode effluent flows through the anode chamber to ensure that the overall effluent is neutral and reaches the drinking water standard. When the membrane flux is obviously reduced, the cathode and the anode can be reversed, and reverse water flow is applied to the membrane electrode, so the membrane flux can be completely recovered.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to an electrochemical reaction device which can be used for removing hardness and harmful metals in drinking water. Background technique [0002] Drinking water is inseparable from people's life, and the quality of drinking water has a vital impact on people's health and life safety. Excessive hardness of drinking water will cause certain harm to the human body. Therefore, it is necessary to remove the hardness of the water body whose hardness exceeds the standard. In addition, harmful metal pollution in drinking water is also a problem that cannot be ignored. [0003] A variety of minerals and gases are dissolved to varying degrees in various natural waters. Rain and snow water fall to the ground and flow into rivers, lakes, ditches and ponds, continuously dissolving calcium, magnesium, sulfur, chlorine and other substances in soil and rocks. Therefore, the minerals in river and la...

AI Technical Summary

Problems solved by technology

However, the membrane fouling problem is an urgent problem to be solved.

Electric flotation is to remove pollutants in the water body through the adhesion of tiny bubbles such as hydrogen and oxygen generated by water electrolysis to form flotation bodies. It is widely used in the removal of harmful metal ions, but its flotation efficiency is easily affected by flotation. The influence of factors such as selection time, pH value, current density, and plate spacing

Images