Reaction Bonded Silicon Carbide Burner Sleeve

SiSiC Burner Protection Tube

Product Overview

The burner sleeve (burner protection tube) is integrally formed from Reaction Bonded Silicon Carbide (SiSiC/RBSiC). It is matched with gas burners of industrial kilns and installed at openings on kiln walls to cover the outside of burner nozzles.

It shields metal burner housings from thermal radiation generated by flames and high-temperature flue gas, protecting burners against high-temperature burnout and dust erosion. Meanwhile, it regularizes flame shape and stabilizes combustion conditions inside the furnace. Widely applied to roller kilns, tunnel kilns, shuttle kilns, lithium material kilns, magnetic material sintering furnaces and various other gas-fired industrial furnaces.

Product Advantages

✅ Excellent High-temperature ResistanceLong-term service temperature up to 1350℃. Stable dimension and low creep at high temperature, resistant to softening and deformation.

✅ Superior Thermal Shock ResistanceHard to crack under alternating hot and cold conditions & frequent start-stop cycles, suitable for continuous mass production and intermittent baking of kilns.

✅ High Thermal Conductivity & Atmosphere Corrosion ResistanceAnti-oxidation, resistant to erosion by acidic & alkaline flue gas. Chemically inert to lithium salts, metal oxide powders, no impurity precipitation to contaminate finished products.

✅ Dense Gas Tightness, Wear & Erosion ResistantDense body structure, withstand long-term scouring of high-speed flue gas and furnace dust. Service life far exceeds ordinary refractory sleeves.

✅ Customizable StructureStraight tube, tapered end reducing type and flange type are available for customized mould development. Length, inner & outer diameter, end profile can be processed according to burner specifications.

Typical Application Scenarios

Lithium cathode material roller kilns, magnetic material sintering kilns, ceramic tunnel kilns, powder metallurgy atmosphere furnaces, enamel firing furnaces, heat treatment shuttle kilns and all kinds of gas-fired indirect heating industrial furnaces.

Basic Specifications

Material: Reaction Bonded Silicon Carbide SiSiC (RBSiC)Max continuous working temperature: ≤1350℃Forming Technology: Isostatic pressing / Slip casting, high-temperature reaction sintering

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