WELDING FUME PURIFIER

WIPO Patent Application WO/2021/035994

A1

A welding fume purifier: a smoking arm is connected to the inner part of a purification box (1); a vertical slot that facilitates lifting the smoking arm up and down is provided on the purification box (1); a movable clip is provided in the vertical slot to clamp the smoking arm; the smoking arm comprises a smoking head (2) and a hose (3) at the back part of the smoking head; the smoking arm may perform smoking at different heights by means of a lifting slot; an exhaust fan (4) is provided in the hose (3); the front part of the exhaust fan (4) is provided with several layers of fiber filter elements (5); the filter elements (5) may perform simple dust removal and poison filtering; the other end of the hose is connected to an electrostatic dust removal device (6); the electrostatic dust removal device (6) is provided in a dust removal pipe (7); and the dust removal pipe (7) is a plurality of heavy metal elbows, the top part of each heavy elbow is provided with a rotating blowing mechanism, and the bottom part thereof is provided with a dust collecting device. When the purifier does not suction welding fume, the dust collecting devices and the blowing mechanisms are started, and the blowing mechanisms blow and lift up the dust in the dust removal pipe (7) to facilitate a dust collection mechanism in cleaning.

WO/2005/005794

CORDIERITE FILTERS WITH REDUCED PRESSURE DROP

HU XIMING (CN)

PCT/CN2019/119010

March 04, 2021

November 16, 2019

Click for automatic bibliography generation  

TAICANG KAIMENG PREC ABRASIVE TOOLS CO LTD (CN)

B01D46/24; B01D46/28

CN207042138U	2018-02-27
CN107694260A	2018-02-16
JPH07266052A	1995-10-17
US20060201118A1	2006-09-14

JIANGSU CO-FAR LAW FIRM (CN)

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