Ball Regenerator

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PRODUCTS / Refractory Products for Industrial Furnaces /

Ball Regenerator

Brand: PN-XR

Regenerative burning technology, as advanced burning technology in the world and the developing tendency in the future, may be used in reheating furnace to improve the waste heat recovery and reduce the NOX emission to as low level as possible.

So PRCO developed ball regenerators which may be stuffed in chamber of regenerative combustion system.PN-Q serial machine-made ball regenerators feature high strength, outstanding thermal stability etc.

Standard size as follows: φ14~16mm、φ15~18mm、φ17~19mm、φ18~20mm. Individually tailored shapes to suit for various furnace design and operation are available.

Main Properties:

Brand	PN-Q75	PN-Q80	PN-Q85	PN-Q90	PN-Q95	PN-Q99
Al₂O₃(%);≥	75	80	85	88	94	98
Bulk density (g/cm³);≥	2.50	2.70	2.80	2.80	3.15	3.30
Packing density (Kg/m³)	1500~1700	1650~1800	1650~1800	1700~1850	1850~2100	1700~1850
Specific surface area (m²/m³)	200~240⁽¹⁾ ,180~200⁽²⁾
Thermal expansion coefficient (3)	6.5	8	8	8	9	9
(×10^-6/℃);≤	1.1	1.0	1.0	1.0	1.0	1.0
Specific heat capacity ×10³J/(Kg·K)〕;	1.5	1.6	1.6	1.7	2.1	2.3
Thermal conductivity 〔W/(m·K)〕	30	30	20	-	-	-
(1000℃);≥	1450	1550	1550	1550	1550	1650
Water-cooled times 1100℃;≥	30	30	20	-	-	-
Service temp (℃);≤	1450	1550	1550	1550	1550	1650

Note

(1)、(2)correspondingφ14~16mm、φ17~19mm separately. (3) average heat expand coefficient at room temperature~1200℃ 。 Package: Wooden case. Transportation & storage: Keep dry and handle with care. Guard against damp.