Tuyere Stock Devices

Introduction:

This device is located at the end of the hot blast duct, serves as the passage connecting hot blast bustle pipe and BF, covering the equipment/facility from below hot blast bustle pipe to the small tuyere sleeve. Its functions: send the hot blast into the BF, and at the same time, fuels can also be injected into BF through this device. Mainly 2kinds: Holvin type and the Cardin type.

Main technical features:

1. Refractory materials are processed by gradient ramming techniques

2. The surface of lining is sprayed with high-temperature thermal barrier- nano-coating

3. Prefabricated high-strength inner liner for blow pipes

4. Bellows compensators with damping sealing structure

5. Multi-layer sealing structure between flanges

6. High-strength adjustable pin and bolt connections

7. Lining negative pressure structure

8. Automatic compensation tensioning device