Out-of-hole circulation rapid grouting equipment for engineering

The utility model discloses out-of-hole circulation rapid grouting equipment for engineering. The device comprises a slurry stirrer and a grouting pump, the slurry stirrer is communicated with the grouting pump through a pipeline; an outlet pipe of the grouting pump is connected with a grout inlet pipe; wherein an air accumulator, a slurry inlet flowmeter and a three-way joint are arranged on theslurry inlet pipe, a slurry stop valve and a slurry return pipe are arranged on an outlet of the three-way joint, an outlet of the slurry stop valve is connected to a position needing grouting, a mechanical pressure gauge, an electronic pressure gauge, a pressure regulating valve and a slurry return flowmeter are respectively arranged on the slurry return pipe, and an outlet of the slurry return flowmeter is communicated with the slurry stirrer. The pressure regulating valve and the air energy accumulator are used for regulating the grouting pressure, so that the grouting pressure is easy to control, the situation tha