ASSEMBLED SPRAY DEVICE FOR DUST REDUCTION

WIPO Patent Application WO/2020/038002

A1

An assembled spray device for dust reduction, consisting of a spray mechanism (11) and a water supply mechanism (21), the water supply mechanism (21) comprises a control switch (211), a power source (212), a water pump (213) and a water tank (214). The spray mechanism (11) comprises a water inlet joint (111), a fixing frame (112), a first spray arm (113), and a second spray arm (114). The fixing frame (112) comprises a first support arm (121) and a second support arm (122), and the first support arm (121) and the second support arm (122) are respectively connected to a second water delivery pipe (116) by means of brackets (115), an input end of the second water delivery pipe (116) is connected to the water inlet joint (111), and an output end of the second water delivery pipe (116) is connected to the second spray arm (114). The first support arm (121) and the second support arm (122) are connected by means of a bolt (117). Nozzles (118) are provided on the first spray arm (113) and the second spray arm (114), respectively.

CHEN BINQUAN (CN)
YANG QIANG (CN)
JIN DUO (CN)
BAI DONG (CN)
HE JING (CN)
YANG YUNFENG (CN)

PCT/CN2019/083267

February 27, 2020

April 18, 2019

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CHINA RAILWAY 18TH CONSTRUCTION BUREAU GROUP THE 5TH ENGINEERING LTD COMPANY (CN)

B01D47/06; E02F9/00

CN109248523A	2019-01-22
CN207436126U	2018-06-01
CN204199358U	2015-03-11
CN102505715A	2012-06-20
CN207660005U	2018-07-27
CN108005140A	2018-05-08
JP2005054505A	2005-03-03
JP2003251131A	2003-09-09

BEI & OCEAN (CN)

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