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Title:
COATING MACHINE FOR FOAMING AGENT OR FOAMING SEALANT WITHIN PIPELINE
Document Type and Number:
WIPO Patent Application WO/2018/023818
Kind Code:
A1
Abstract:
A coating machine for a foaming agent or a foaming sealant within a pipeline, comprising: an air compressor (1) for compressing and supplying air; pressure regulating valves (2, 3), air pressure being appropriately adjusted by means of the pressure regulating valves (2, 3); an upstream flow rate regulator (4) and a downstream flow rate regulator (5), for supplying an appropriate flow to provide a circular flow condition; and an injector (6), for facilitating the formation of a circular flow. By means of the spraying machine, the requirements of high speed, large width and medium precision for spraying the foaming agent or foaming sealant specific for an inner wall of a pipeline can be met, thereby increasing production efficiency and reducing equipment costs.

Inventors:
ZHAO, Long (Room01, FL28 North of Bai Hui Bldg, No.3019 SunGang East Road, LuoHu Dis, Shenzhen Guangdong 0, 518000, CN)
Application Number:
CN2016/094084
Publication Date:
February 08, 2018
Filing Date:
August 09, 2016
Export Citation:
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Assignee:
SHENZHEN CHAO WEIDA TECHNOLOGY CO., LTD (Room01, FL28 North of Bai Hui Bldg, No.3019 SunGang East Road, LuoHu Dis, Shenzhen Guangdong 0, 518000, CN)
International Classes:
B05D7/22
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