Be applied to tunnel boring machine's sewage case

• Main Authors: LI HEHUA, ZHU HOUJUN, PANG PIJIE, YU ZAIBIN, SHEN CONGHAO, WANG XIUDONG
• Format: Patent
• Language: English
• Published: 27.01.2016
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model relates to a be applied to tunnel boring machine's sewage case, the power distribution box comprises a box body, the box in form the three filtration cavity that feeds through in proper order, be first filtrations cavity, second filtration cavity and third filtration cavity respectively, the water inlet that should firstly filter cavity and box is corresponding, the second filter the bottom that the cavity lies in first filtration cavity, this third filters cavity and lies in one side that the second filtered the cavity, bottom at first filtration cavity and second filtration cavity all is provided with the drain. The utility model has the advantages that: drop into and maintain cost is reduced, simplify the maintenance procedure, shorten maintenance time, make TBM can reach the blowdown function simple and convenient, high -efficient under the low condition about dropping into, safely.