1. High working efficiency: hydraulic pumping is adopted, with high system reliability and stable throughput.

2. Continuously adjustable injection amount: variable plunger pump is adopted for the main oil pump, and the injection speed can be freely adjusted.

3. The addition amount of accelerating agent can be continuously adjusted: it can be adjusted according to the amount of gunite.

4. Long service life of wearing parts: the service life of wearing parts of the host shall not be less than 4000M3.

5. equipped with automatic lubrication system: for the main sealing parts with automatic lubrication, grease filling amount, filling time automatic control, greatly extend the life of vulnerable parts.

6. Humanized product design: more convenient operation.