US 12,343,902 B1
Multi-pump linkage grouting operating system
Mengtian Li, Jinan (CN); Shuaixun Luo, Xi'an (CN); Shucai Li, Jinan (CN); Zhaohui Dong, Xi'an (CN); Jianbo Zhao, Xi'an (CN); Zhaofeng Li, Jinan (CN); Lei Yang, Jinan (CN); Zhenhao Xu, Jinan (CN); Hanpeng Wang, Jinan (CN); and Chunjin Lin, Jinan (CN)
Assigned to SHANDONG UNIVERSITY, Jinan (CN); and SHAANXI XITAN GEOLOGICAL EQUIPMENT, Xi'an (CN)
Filed by SHANDONG UNIVERSITY, Shandong (CN); and SHAANXI XITAN GEOLOGICAL EQUIPMENT CO., LTD, Shaanxi (CN)
Filed on Nov. 14, 2024, as Appl. No. 18/947,601.
Claims priority of application No. 202410327741.4 (CN), filed on Mar. 21, 2024.
Int. Cl. B28C 7/16 (2006.01); B28C 7/04 (2006.01); B28C 9/04 (2006.01)
CPC B28C 7/163 (2013.01) [B28C 7/0486 (2013.01); B28C 9/0454 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A multi-pump linkage grouting operating system, comprising a slurry storage unit and a grouting unit, wherein the slurry storage unit comprises a plurality of slurry storage tanks, the grouting unit comprises a plurality of grouting pumps, an inlet of each grouting pump is connected to a main slurry inlet pipe, the main slurry inlet pipe is connected to a plurality of branch slurry inlet pipes, the branch slurry inlet pipes are connected to an outlet of a corresponding slurry storage tank, grouting on-off valves are mounted on the branch slurry inlet pipes, each branch slurry inlet pipe is further connected to one end of a cleaning pipe, a connection position between the cleaning pipe and the branch slurry inlet pipe is located downstream of the grouting on-off valve on the branch slurry inlet pipe, the other end of the cleaning pipe is connected to a water tank, and a cleaning on-off valve is mounted on the cleaning pipe.