Pipe cleaning device for gas long conveying pipeline

• Main Authors: YU CHAO, BAI GANGSHENG, LI ZHENBEI, CAO CHONGZHEN, LI WEIQUAN, GUAN JINGXIN, HUANG KAI, LIU GAOFEI, QIU CHANGCHUN, ZHOU CHUN, ZHANG YUAN, YANG JINSHENG, ZHANG YONGJIANG
• Format: Patent
• Language: Chinese; English
• Published: 15.11.2019
• Subjects: CLEANING; CLEANING IN GENERAL; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; TRANSPORTING

The invention discloses a pipe cleaning device for a gas long conveying pipeline, and belongs to the field of natural gas collecting and conveying pipelines. The pipe cleaning device comprises a hollow framework, a blowing nozzle, a front guide scraping assembly, a rear guide scraping assembly, a plurality of branch pipes and a plurality of venturi suction pipes, wherein the blowing nozzle is arranged at the front end of the hollow framework, a plurality of flow passing holes are formed in the rear end of the hollow framework, the middle of the hollow framework is reduced in diameter, the front guide scraping assembly and the rear guide scraping assembly are arranged on the front portion and the rear portion of the hollow framework respectively in a sleeving mode, the rear ends of the branch pipes are fixed on the hollow framework and communicate with the rear end of the rear guide scraping assembly, the front ends of the branch pipes extend to the rear end of the front guide scrapingassembly and are bent out