BLOWBACK BLOCKAGE REMOVING APPARATUS FOR DRYING MACHINE DUST SCREEN, DUST-PROOF DEVICE, AND DRYING MACHINE

WIPO Patent Application WO/2021/031539

A1

A blowback blockage removing apparatus for a drying machine dust screen, and a dust-proof device and a drying machine comprising the blowback blockage removing apparatus. The blowback blockage removing apparatus comprises a high-pressure air main pipe (20), a high-pressure air transverse pipe (30), high-pressure air branch pipes (40), flow dividing connecting pipes (50), and blowback fan-shaped nozzles (60). The length of each of the high-pressure air branch pipes (40) is equal to the length of an A-shaped dust screen (10); both ends of the high-pressure air branch pipe are closed and an opening in the middle of the upper portion is welded to the flow dividing connecting pipe (50), and the blowback fan-shaped nozzles (60) are evenly and densely arranged in a staggered manner on both sides; the number of rows of the high-pressure air branch pipes (40) is equal to the number of sections of the A-shaped dust screens (10) so as to form a dense spray form; the blowback fan-shaped nozzles (60) are located between two A-shaped dust screens (10).

WO/2001/052995	HEPA FILTER
JP2012210597	COMPOSITE FILTER AND COMPOSITE FILTER STRUCTURE USING THE SAME

LI JIAN (CN)
WANG HONGBING (CN)
LIU GUOZHI (CN)
WANG XIN (CN)

PCT/CN2020/075864

February 25, 2021

February 19, 2020

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JINGJIN ENVIRONMENTAL PROT INC (CN)

B01D46/10; F26B21/00

WO2019117370A1

2019-06-20

CN105617788A	2016-06-01
CN207422843U	2018-05-29
CN202539052U	2012-11-21
CN106823568A	2017-06-13
CN106318472A	2017-01-11

See also references of EP 3799945A4

KANGXIN PARTNERS, P.C. (CN)

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