Treatment method for slurry circulation in shield tunneling
A treatment method and mud technology, applied in earthwork drilling, mining equipment, tunnels, etc., can solve problems that affect the progress of the construction period, and achieve the effects of saving construction period, clearing blockage, and avoiding risks
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[0012] Such as Figure 1 ~ Figure 2 As shown, the processing method of mud circulation in the shield tunneling of the present invention comprises the following steps:
[0013] a. In the whole mud-water conveying system, in order to better control the mud pressure in the mud-water bin 11, the mud-feeding pipe is set to be a 10-inch pipe, and the mud-discharging pipe is to be an 8-inch pipe. The pressure sensor in the mud water tank 11 directly transmits the mud pressure value in the mud water tank 11 to the central control room, so as to detect whether the mud pressure in the mud water tank 11 suddenly rises sharply to judge whether the slurry discharge port 14 is blocked, such as If port 14 is blocked, go to step c, otherwise
[0014] B, start shield tunneling machine 1 and carry out the positive circulation mode operation of mud, at this moment, be installed in the hydraulic solenoid valve 1 in the auxiliary pipeline that communicates with mud pipe and mud discharge pipe, be...
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