Vertical roll membrane filtering device and cleaning method thereof

Abstract

The invention discloses a vertical roll membrane filtering device, which comprises a vertically-placed membrane shell. The vertical roll membrane filtering device is characterized in that a roll membrane element adapting to the membrane shell is arranged in the membrane shell; an upper sealing head and a lower sealing head are respectively arranged on the upper end and the lower end of the membrane shell; the roll membrane element is internally provided with a permeate output pipe, two ends of the permeate output pipe are provided with an upper permeate outlet and a lower permeate outlet which respectively pass through the upper sealing head and the lower sealing head to extend outside, and two ends of the membrane shell are respectively provided with an upper flow opening and a lower flow opening. Due to the adoption of the structure, the membrane shell and the roll membrane element are vertically placed, the vertical roll membrane filtering device can be used for more effectively cleaning the membrane surface by means of micro bubbles formed by gas and water, and is help to improve recovery rate of materials with high value, prolong service life of the membrane and shorten cleaning time so as to reduce operation cost of the membrane device to ensure that the membrane system is widely applied to material separation and reclaimed water recycling.

Description

technical field [0001] The invention relates to a roll-type membrane filter device; the invention also relates to a cleaning method of the roll-type membrane filter device. The invention belongs to the technical field of separation or the technical fields of water supply and drainage and environmental protection. Background technique [0002] Membrane separation technology refers to the technology that uses the selective permeability of the membrane to separate the components in the mixture under the action of driving force. Membrane separation technology is widely used in water supply and drainage, food and beverage, pharmaceutical, chemical and other fields. In today's human society vigorously advocating and effectively implementing the trend of energy saving, emission reduction and circular economy, the application of membrane technology in material separation and reclaimed water reuse will become more prominent. [0003] Membrane separation can be divided into microfil...

AI Technical Summary

Problems solved by technology

Because the water in the horizontal membrane module cannot be effectively discharged, the cleaning system needs a higher concentration of chemical cleaning agent to be diluted by the water in the membrane

Due to the high cleaning frequency, incomplete cleaning and short life of the membrane, the application of membrane separation in reclaimed water reuse is also affected

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