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Integrated membrane module including on-line ultrasonic monitoring and cleaning

A technology of ultrasonic monitoring and membrane components, applied in the use of sound waves/ultrasonic waves/infrasonic waves to analyze solids, membrane technology, semi-permeable membrane separation, etc., can solve problems such as hindering the development of membrane technology, lack of membrane pollution monitoring and control technology, and achieve mitigation Concentration polarization phenomenon, improved data availability and accuracy, disruptive reduction effects

Inactive Publication Date: 2014-06-18
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The lack of effective membrane fouling monitoring and control technology will hinder the further development of membrane technology

Method used

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  • Integrated membrane module including on-line ultrasonic monitoring and cleaning
  • Integrated membrane module including on-line ultrasonic monitoring and cleaning

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] In this embodiment, the quartz sand filter, security filter, ultrasonic monitoring and on-line ultrasonic monitoring and cleaning integrated membrane modules are sequentially composed into a system, and the above equipment, flow meters, solenoid valves, high-pressure pumps, etc. are all connected to PLC control system, the quartz sand filter, security filter, and ultrafiltration membrane modules are connected sequentially by PVC pipe fittings.

[0016] In this embodiment, the online ultrasonic monitoring and cleaning integrated membrane module, such as figure 1 As shown, the upper side of the central axis of the water inlet plate 11 is provided with a water inlet 1, and the transducer base 4 is mechanically tightly fixed to the shell 10 of the membrane module, and is detachable. The transducer base 4 is equipped with an ultrasonic transducer 2, the ultrasonic control system 3 is electrically connected to the ultrasonic transducer 2 and the transducer base 4, the ultraso...

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Abstract

The invention discloses a membrane module realizing the on-line monitoring and control of membrane pollution by using the ultrasonic technology, belonging to the technical field of water treatment. The membrane module comprises a water inlet plate, a membrane wall, a spiral membrane, a water outlet plate, an ultrasonic transducer, a permeate outlet, a condensed water outlet, and an intelligence control system. The membrane module disclosed herein can monitor the membrane pollution in real time, utilizes the effects of ultrasound to destroy the concentration polarization according to a set switch-on strategy, and disturbs and alleviates the formation of membrane pollution, and the cavitation can enhance the effect of membrane cleaning. According to the invention, by using a special mode of using ultrasound, the damage of ultrasound for the membrane material is greatly reduced, the application range of ultrasound is enlarged, the service time of the membrane module is prolonged. The membrane module is suitable for ultrafiltration, nanofiltration, reverse osmosis and the like.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to an online ultrasonic monitoring and cleaning integrated membrane module. Background technique [0002] Due to the characteristics of energy saving, high efficiency, simplicity and easy operation, membrane separation technology has attracted widespread attention. This technology is widely used in various fields such as food, medicine, chemical industry, and environmental protection. Although new membrane materials and membrane components have been developed, in practical applications, the membrane flux will gradually decrease with time. Membrane fouling and concentration polarization are the main reasons for the decrease in membrane flux. . The traditional method is to add chemical reagents to clean the membrane tube after it has been used for a period of time. Although chemical cleaning can improve the membrane flux to a certain extent, it also brings second...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D65/10B01D65/02G01N29/04
Inventor 姚尧黄国和张晓东安春江魏佳李晟赵珊
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)