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Screw-type Wet Shotcrete Machine Introduction

October 29, 2025

The screw-type wet shotcrete machine is a new type of concrete wet spraying equipment that uses a stator-rotor assembly to deliver concrete to the nozzle, thereby achieving wet spraying of concrete. It effectively reduces dust during operation and improves spraying quality. It is suitable for pumping and spraying concrete and conveying mortar in coal mines, non-coal mines, water conservancy and hydropower projects, railway tunnels, bridges, high-rise buildings, ports, and various infrastructure projects. It can also be used for topsoil spraying, conveying and grouting of coal slime, silt, and other semi-fluid materials.


1. Simple structure and easy operation;

2. Continuous and uniform material output, effectively reducing spray pulse;

3. Low spray rebound, high spray surface strength, saving spray material and improving support safety;

4. Dust-free operation site, protecting the health of workers;

5. Requires a wide slump range and is highly adaptable to concrete spraying materials;

6. Lightweight and easy to move, especially suitable for small and medium-sized tunnels; few vulnerable parts and easy maintenance;

7. Versatile design; underground it can be used as a wet spraying machine, grouting pump, and flooring equipment; above ground it can also be used as a refractory material spraying machine.