A dielectrophoresis in-line membrane module

Abstract

The invention relates to a dielectrophoresis in-line type membrane assembly which is characterized by mainly comprising a front end surface pressing plate, a rear end surface pressing plate, in-line type membrane plates, filtering membranes and electrodes, wherein a group of in-line type membrane plates is arranged in parallel between the front end surface pressing plate and the rear end surface pressing plate, and a sealing cavity is formed; the in-line type membrane plates are of frame structures; the electrodes are transversely and uniformly arranged in the in-line type membrane plates; the filtering membranes are fixedly arranged on two sides of the in-line type membrane plates; water producing cavities are formed between the filtering membranes on two sides of the in-line type membrane plates; a water flow channel is formed between two adjacent in-line type membrane plates; a water inlet communicated with the water flow channel is formed in the lower part of each in-line type membrane plate; a concentrated water outlet and a water producing outlet are formed in the upper part of each in-line type membrane plate; each concentrated water outlet is communicated with the water flow channel; and each water producing outlet corresponds to the upper part of each water producing cavity. The dielectrophoresis in-line type membrane assembly disclosed by the invention is scientific and reasonable in structural design, has an effect of enhancing the membrane separation process, can avoid the water pool limitation and can operate under positive pressure, and the dielectrophoresis technology is combined with a membrane filtration technology,.

Description

technical field [0001] The invention relates to a permeable membrane filtration separation device, in particular to a dielectrophoresis in-line membrane module. Background technique [0002] Membrane separation is a new separation technology that appeared in the early 20th century and rose rapidly after the 1960s. Membrane separation technology has been widely used in food, medicine, biology, environmental protection, etc. , chemical industry, metallurgy, energy, petroleum, water treatment, electronics, bionics and other fields have produced huge economic and social benefits, and have become one of the most important means in today's separation science. [0003] Membrane elements are divided into flat membranes, tubular membranes, hollow fiber membranes and roll membranes according to their shapes. As a form of membrane components, flat membranes have the advantages of easy control of hydraulic conditions, large water production, strong anti-pollution ability, and easy clea...

AI Technical Summary

Problems solved by technology

However, at present, most of the flat membrane elements are submerged and negative pressure suction, and the fouling of the membrane surface is cleaned by backwashing, aeration and chemical cleaning, which will damage the membrane surface and cause pollution.

Therefore, the flat membrane element cannot be separated from the pool, cannot be permeated with positive pressure, and the membrane surface is easily blocked by fouling.

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