Continuous current microfilter device for purifying air

• Main Authors: BING CUI, JINSHAN DU
• Format: Patent
• Language: English
• Published: 26.11.2003
• Edition: 7
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to a continuous current micro-filter device for purifying air. The utility model is characterized in that the utility model is composed of a shell body, a membrane module and an air compressed pipe, wherein, the top of the shell body is provided with a water outlet pipe, a back flushing pipe and a refluxing pipe, and the back flushing pipe is communicated with the water outlet pipe; the bottom of the shell body is provided with a water inlet pipe, a water drainage pipe and an air inlet pipe; the water inlet pipe is communicated with the water drainage pipe; the membrane module is arranged in the shell body, the bottom end of the membrane module is sealed at the bottom of the shell body, and the top end is connected with the water outlet pipe; the air compressed pipe is arranged at the middle part of the shell body, the top end of the air compressed pipe is sealed at the top of the shell body, and the bottom end is communicated with the air inlet pipe outside the shell body. The utility model has the advantages that firstly, a processing device is simplified, which can reduce the occupation area of the device and the investment of the device; secondly, the quality of water which flows out of the utility model is good and stable; thirdly, the recovery rate of water treatment is more than 95%; fourthly, the purifying efficiency of a membrane is high, the membrane flux can be effectively restored, and the service life of the membrane is extended.