Pneumatic ultrahigh-pressure intelligent grouting system

Abstract

The invention discloses a pneumatic ultrahigh-pressure intelligent grouting system. The system comprises a central control unit, a slurry preparation unit, a grouting unit and a detection unit. The slurry preparation unit comprises an integrated slurry preparation barrel, a thick slurry storage barrel, a pneumatic thick slurry valve and a pneumatic clean water valve arranged on a water inlet pipeline of the integrated slurry preparation barrel; the grouting unit comprises a pneumatic grouting pump, a high-pressure valve, a slurry inlet flow meter, a slurry return flow meter, a grouting pipeline for connecting a slurry outlet of the integrated slurry preparation barrel and a grouting hole of a working face, and a slurry return pipeline for connecting a slurry return opening of the integrated slurry preparation barrel and the grouting hole of the working face; the detection unit comprises a pressure sensor, a lifting detector, a density sensor and a temperature sensor arranged in the integrated slurry preparation barrel; and the central control unit is in circuit connection with the detection unit, the pneumatic thick slurry valve, the pneumatic clean water valve, the pneumatic grouting pump, the high-pressure valve, the slurry inlet flow meter and the slurry return flow meter. Through the design, accurate control over slurry preparation and grouting is facilitated, the phenomenon of pipe explosion of a grouting pipeline is avoided, the safety of electric shock prevention of operators is improved, power energy consumption is reduced, and meanwhile the intelligent level of slurry preparation and grouting of the grouting system is also improved.

Description

technical field [0001] The invention relates to the field of grouting engineering, in particular to a pneumatic ultra-high pressure intelligent grouting system. Background technique [0002] In the construction of water conservancy and hydropower projects, grouting operation is an important link to determine the quality of water conservancy and hydropower dams. Grouting refers to pouring cement, mortar and other materials into the embankment and foundation of water conservancy and hydropower dams to strengthen firmness and improve anti-seepage performance . [0003] At present, the commonly used grouting system is composed of a grout mixing tank, a grouting pump, a slurry inlet flowmeter, a pressure sensor, a slurry return flowmeter, an electric high-pressure valve, and each device is electrically connected to the control unit. This kind of system has the following problems: first, the grouting pressure generated by the grouting pump is relatively small; second, because the...

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Problems solved by technology

This kind of system has the following problems: first, the grouting pressure generated by the grouting pump is relatively small; second, because the stirring motor and the grouting pump are driven by strong electricity, the energy consumption is high, and there may be a danger of electric leakage and electric shock during operation; If the pipe is blocked, it is easy to burst the pipe

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