Honeycomb Ceramic Monolith Used in Rto Rco Equipment

• Customization: Available
• Structure Feature: Ceramic Packing
• Material: Ceramic
• Model NO.: NX-HC
• Usage: Chemical Engineering, Chemical Industry Product
• Type: Ceramic Part
• Effect: Thermal Storage
• Source: Ceramic
• Transport Package: Wooden Case
• Specification: Customzised
• Trademark: Nanxiang
• Origin: China
• HS Code: 6909110000
• Production Capacity: 5000000

Product Description

honeycomb ceramics mullite honeycomb ceramics Cordierite honeycomb ceramic monolith used in RTO RCO

Honeycomb ceramics the HTAC technology (High Temperature Air Combustion) is a huge energy-saving and environmental efficacy of new combustion technology and it is also considered as a reliable, industry proven combustion method allowing emissions reduction, combustion process improvement, thermal field flattening and heat transfer increase in high temperature energy intensive applications. Honeycomb ceramic heat recovery media is a key component of regenerative burner, which is widely used in iron and steel, machinery, building materials, petrochemicals, nonferrous metal smelting and other industries, furnace, hot air furnace, heat treatment furnace, cracking furnace, baking, melting furnace, both in the hot furnace, oil and gas boilers, and furnaces. The technique is to make two ceramic media beds alternating endothermic exothermic by reversing device. Most common applications include: Regenerative Thermal Oxidizer (RTO), Regenerative Catalytic Oxidizer (RCO), metal casting combustor, metal melting industrial furnace, etc. Compared with other ceramic media, such as saddles or ceramic balls, which have conventionally been used in RTOs. The advantages of honeycomb monolith include a greater thermal efficiency and a lower pressure drop across the heat exchanger bed. The increase in thermal efficiency and lower pressure drop.

generally results in smaller equipment design, lower capital cost and lower operating cost. Honeycomb ceramic monolith serves as a more efficient alternative for the following reasons: cutting fan load for significant energy saving (low pressure drop owing to straight channels), less volume, thin wall thickness, faster in thermal exchange. Lighter weight, so less structural support is required. Above all, High specific surface area means high conversion efficiency in converters occupying small volumes. All these
benefit, especially larger specific surface area make honeycomb ceramic the better performance media across industries.

Ceramic Honeycomb Materials:
Alumina Ceramics
Alumina Ceramics is the most widely used advanced ceramic material. Owing to its highly strong ionic inter-atomic bonding, alumina offers good performance in terms of chemical and thermal stability, relatively good strength, thermal and electrical insulation characteristics at a reasonable price. With a range of purities and also the relatively low cost in raw material production it is
possible to utilize alumina for wide ranging applications across a variety of different industries.

Mullite Ceramics
Mullite occurs very rarely in nature because it only forms at high temperature, low pressure conditions, so as an industrial mineral, mullite has to be supplied by synthetic alternatives. Mullite is a strong candidate material for advanced ceramics in industrial process for its favourable thermal and mechanica properties: low thermal expansion, low thermal conductivity, excellent
creep resistance, suitable high temperature strength and outstanding stability under harsh chemical environments.

Cordierite Ceramics
Cordierite has a superior thermal shock resistance due to their intrinsic low coefficient of thermal expansion (CET), coupled with
relatively high refractoriness and high chemical stability. Therefore, it is often used as high temperature industrial
applications, such as: heat exchangers for gas turbine engines; honeycomb-shaped catalyst carriers in automobile exhaust system.
 

Dimension		Cell Number&Shape	Cell Width (mm)	Inner Wall (mm)	Outer Wall (mm)	Specific Surface Area m2/m3	Void Fraction
150*150* 300	5*5	Square	26	3.05	3.5	146	76%
	13*13		9.3	2.05	2.5	310	65%
	25*25		5.0	0.95	1.2	590	70%
	32*32		3.9	0.8	1.3	736	67%
	40*40		3.1	0.67	1.3	906	66%
	43*43		2.8	0.65	1.3	964	64%
	50*50		2.4	0.6	1.1	1104	62%
	60*60		2.0	0.55	1.1	1291	60%
100-150 Width    100-200 Height	Hexagon		3mm	1.0	0.8	-	-
			3.5mm	1.0	1.2	-	-
			3.6mm	0.9	1.2	-	-
			4mm	1.0	1.2	-	-
			5mm	1.5	2	-	-
			6mm	1.5	2	-	-
			6mm	2.0	3	-	-
			8mm	2.5	3.5	-	-
			10mm	2.5	3.7	-	-
			12mm	4.0	4.0	-	-
100-150 Width   100-200 Height	Circular		5.0	1.5	1.8	-	-
			6.0	2.5	2.8	-	-
			8.0	2.5	2.8	-	-

Chemical Composition

Material	SiO2(%)	AI2O3(%)	MgO(%)	Fe2O3(%)	K2O+Na2O+CaO+TiO+Other(%)
Alumina Porcelain	25-35	60-70	≤3.5	<1	≤3
Dense Alumina	20-30	60-70	<1	<1	<5
High Performance Alumina	20-30	60-70	<1	<1	<7
Cordierite	50-55	30-35	8-14	<1	≤1.5
Dense Cordierite	50-55	30-35	8-14	<1	<5
High Performance  Cordierite	50-55	30-35	8-14	<1	<5
Mullite-cordierite	40-50	40-50	6-9	<1	<1.2
Mullite	25-30	65-70	≤0.5	<1	<1.5
Zirconia Corundum	20-30	60-70	<1	<1	6-10
85 Corundum	6-12	85-90	≤0.5	≤0.5	<1.5
95 Corundum	2-4	90-95	≤0.5	≤0.5	<1

Physical Performance

Material	Solid Density/cm3	Bulk Density Kg/m3	Thermal Expansion Coefficient 10-6/k (30-1000ºC)	Specific Heat Capacity j/kg.k(100-1000ºC)	Thermal Shock Resistance Min ºC	Softening Temperature ºC	Maximum  Service Temperature ºC	Water Abso-rption
Alumina Porcelain	2.05-2.35	630-960	≤5.5	900-1150	300	1550	1350	15-20
Dense Alumina	2.45-2.7	754-1103	≤5.8	950-1150	300	1550	1350	<5
High Performance Alumina	2.55-2.82	784-1152	≤6.0	950-1150	300	1550	1350	<1
Cordierite	1.85-2.16	580-778	≤3.5	900-1150	350	1400	1200	15-20
Dense Cordierite	2.16-2.48	669-882	≤3.8	900-1150	350	1400	1200	<1
High Performance  Cordierite	2.25-2.59	765-1013	≤4.0	900-1150	350	1400	1200	<1
Mullite	2.1-2.41	692-1158	≤6.0	900-1160	300	1550	1350	15-20
Mullite-cordierite	2.0-2.2	615-899	≤3.5	900-1150	350	1400	1200	15-20
Zirconia Corundum	2.5-2.8	800-1100	≤6.5	950-1400	350	1650	1450	15-20
85 Corundum	2.4-2.7	738-1103	≤7.5	950-1400	300	1700	1500	15-20
95 Corundum	2.6-2.9	800-1185	≤8.5	1050-1500	300	1780	1580	15-20