Pneumatic control continuous grouting pressure maintaining tank

• Main Authors: REN LONGYUAN, CHENG YUANLIN, HUANG XING, CHENG XI, ZHAO GUOHUA, LUO GUOFENG, GONG JIANWU
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2012
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model provides a pneumatic control continuous grouting pressure maintaining tank which comprises a support, a grouting tank arranged on the support and a grouting pump control box positioned outside the grouting tank and is characterized in that a pressure gauge and an air exhaust and feed valve are arranged at the top of the grouting tank; a slurry inlet, a slurry outlet, a slurry discharge valve and a pressure sensor are arranged at the bottom of the grouting tank; the slurry inlet is connected with a slurry pond through the grouting pump control box; a pressure value in the grouting tank is detected by the pressure sensor and a pressure value signal is transmitted to the grouting pump control box by the pressure sensor so as to control to start and stop grouting; and the slurry outlet is connected with a pipe roofing box culvert outside through a slurry pipeline. According to the pneumatic control continuous grouting pressure maintaining tank provided by the utility model, the volume of the gro