Shenyang subway line 9 tender 7 project is constructed by China Railway 12th Bureau Group Co.Limited. The diameter for tunneling is 6.28m and the length is 2.22km.The stratum material may include cobble, medium coarse sand etc. Slurry cycling volume is 1000m³/h. one set of MTP-1000 slurry treatment system, one set of ZTJ-120 slurrying and adjusting system and one unit ofAPN18SL24M filter press are employed in this project.