Double-trigger pipeline purging device

• Main Authors: WANG KEFAN, CHU HAOHAO, YANG BAIYI, CHU MO, ZHAO LIANG, WANG LUDONG, CHEN XUEFENG
• Format: Patent
• Language: Chinese; English
• Published: 20.09.2019
• Subjects: CLEANING; CLEANING IN GENERAL; CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PERFORMING OPERATIONS; PHYSICS; PREVENTION OF FOULING IN GENERAL; REGULATING; TRANSPORTING

The utility model relates to a double-trigger pipeline purging device. The device comprises a compressed air source (1), wherein the compressed air source (1) is connected with at least one purging pipeline through a connecting box (3); a purging valve (4), a locking valve (6) and a measuring transmitter (8) are sequentially connected to the purging pipeline from the connecting box (3); a pipeline extending to a measuring point (7) is connected between the purging valve (4) and the locking valve (6) through a tee joint (5); a switch of the purging valve (4) and a switch of the locking valve (6) are electrically connected with the output end of the controller, the first input end of the controller is electrically connected with the timing input module, the second input end of the controller is electrically connected with the output end of the DCS, and the input end of the DCS is electrically connected with the measurement transmitter. According to the utility model, intelligent purging can be carried out accor