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Electrical refractory gunning machine

An electrical refractory gunning machine is a specialized piece of equipment used in high-temperature industrial environments—such as steel mills, foundries, and cement plants—to apply refractory materials (like castables, gunning mixes, or plastic refractories) onto the internal linings of furnaces, kilns, ladles, and other vessels.

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  Content   2025-08-25

An electric refractory gunning machine is a specialized device that uses an electric motor to drive a rotor or vibrator, spraying refractory material at high speed onto the target surface using compressed air. Its core functions, application scenarios, and technical features are as follows:

Electric refractory spraying machine
Electric refractory spraying machine

Rotor Structure: An electric motor drives the rotor to rotate, transporting refractory material (such as refractory concrete or castable) from a hopper to the spray gun. The rotor bore and rigid bushing are designed in a fan-shaped pattern to increase blanking capacity, reduce friction, and lower energy consumption.
Pneumatic Acceleration: Compressed air accelerates the material to a high velocity (typically 50-100 m/s) at the spray gun, forming a uniform spray stream and ensuring that the material adheres tightly to the surface.
Compatible with both wet and dry spraying: Some models are equipped with a high-pressure water pump, which atomizes high-pressure water at the nozzle, supporting wet spraying. Dry spraying models use a mixture of water and water at the front of the gun before spraying. Intelligent Control and Anti-Blocking
Variable Frequency Speed ​​Regulation: An ABB frequency converter adjusts motor speed, enabling flexible output adjustments (e.g., 1.5-3 m³/h) to meet diverse construction needs.
Automatic Anti-Blocking System: Comprising a PLC and air pressure sensor, it monitors the spray gun status in real time and automatically clears blockages, ensuring continuous operation.

rotor type refractory gunning machine
rotor type refractory gunning machine
Pressure gauge
Pressure gauge
hopper
hopper
Electric motor
Electric motor
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