Ceramic honeycomb for Heat Exchange -- AceChemPack supply full range of Ceramic honeycomb substrate, 400 CPSI, 600 CPSI.

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Ceramic Honeycomb Monolith for Heat Exchange

Alias: Ceramic Honeycomb Heat Recovery Bed, heat exchange bed, Thermal storage& recovery ceramic media, heat exchange elements /media. Ceramic monoliths media evidently save energy in steel works and metallurgy industry, Regenerative thermal oxidizers (RTO). Honeycomb monolith is the key components of the style furnace, it is extensively used in many kinds of heater, sirocco furnace, heat treatment furnace, cracking column, roaster, melting furnace, balance heating stove and etc. This technology can save more than 40-70% of energy.

It is also widely used in abatement of Volatile organic compounds (VOC) , hazardous air pollutants (HAP), carbon monoxide (CO), nitrogen oxides (Nox), organic particulate matter (OPM), HC nytron, SO2, odors, and other air toxics in oil and chemical industry through a regenerative thermal oxidizer (RTO) device. Dust burning stove/ incinerator, power plant also needs ceramic honeycomb. An RTO device contains a ceramic heat exchanger bed which is used for the preheating and cooling of the waste gases before the gases enter and exit the combustion chamber, respectively.

Advantages over ceramic saddles and balls:

Compared with other ceramic media, such as saddles or ceramic balls, which have conventionally been used in RTOs. The advantages of the 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 a smaller equipment design, lower capital costs and lower operating costs. Honeycomb ceramic provide a more efficient alternative for the following reasons: cutting fan load for significant energy savings( low pressure drop owing to straight channels ), Less volume, thin wall thickness, faster in thermal exchange. High surface area means high conversion efficiency in converters occupying small volumes. Lighter weight, so less structural support is required.

Thermal Oxidizers
         Thermal oxidizers are ideal for areas with high fume concentrations and where emissions contain solvents, sulfides, silicones or heavy metals. Simplicity of design makes thermal oxidizers the best choice for many of today's pollution problems.
       Key Benefits: Flexibility of horizontal or vertical design, Low maintenance issues.
Catalytic Oxidizers
         Catalytic oxidizers are designed with low maintenance and fuel efficiency in mind. The oxidizers include an all welded stainless steel inner chamber, noble/precious metal monolith catalyst cells, industrial grade combustion system and controls.
          Key Benefits: Optional heat recovery system and Low fuel consumption.

Note:

The information contained in the tables below is believed to be accurate and reliable but is not to be construed as implying any warranty or guarantee of performance.

Cell structure density ranges from 1 to 800 cells per square inch (CPSI). Material are typically available in cordierite, mullite and alumina etc on customer request. Cell shape in square, circle, hexagon, triangle etc. The following specification is just a small part of our available specification, just for your reference. We are also glad to accept customized product order.

Technical Specifications of Ceramic Monolith for Heat Exchange

Type	Dimensions (mm)	Specifications	English Units	Metric Units	Remarks
1	150 * 150 * 300	25 * 25 channels Width of Channels Wall thickness Specific surface area Free cross section	0.191 in 0.04 in 164.6 ft²/ft³ 67%	4.9 mm 1 mm 540 m²/m³ 67%	Also available with any length between 150 mm and 500 mm
2	150 * 150 * 300	40 * 40 channels Width of Channels Wall thickness Specific surface area Free cross section	0.177 in 0.027 in 251.4 ft²/ft³ 65%	4.9 mm 0.7 mm 825 m²/m³ 65%	Also available with any length between 150 mm and 500 mm
3	150 * 150 * 300	50 * 50 channels Width of Channels Wall thickness Specific surface area Free cross section	0.088 in 0.027 in 306.3 ft²/ft³ 57%	4.9 mm 0.7 mm 1005 m²/m³ 57%	Also available with any length between 150 mm and 500 mm
4	150 * 150 * 300	43 * 43 channels Width of Channels Wall thickness Specific surface area Free cross section	0.113 in 0.02 in 304.8 ft²/ft³ 72%	4.9 mm 0.5 mm 1000 m²/m³ 72%	Also available with any length between 150 mm and 500 mm
5	150 * 150 * 300	34 * 34 channels Width of Channels Wall thickness Specific surface area Free cross section	0.152 in 0.016 in 245.4 ft²/ft³ 79%	4.9 mm 0.4 mm 805 m²/m³ 79%	Also available with any length between 150 mm and 500 mm

Weight Info

Type	Dimensions (mm)	Material	lb/block	lb/ft³	kg/block	kg/m³
1	150 * 150 * 300 25 * 25 channels	Mullite Alumina Porcelain	11.0 12.1	46.2 50.9	5.0 5.5	740 815
2	150 * 150 * 300 40 * 40 channels	Mullite Alumina Porcelain Cordierite, dense Cordierite, porous	13.2 14.3 13.4 13.2	55.6 59.9 56.2 55.6	6.0 6.5 6.1 6.0	890 960 900 890
3	150 * 150 * 300 50 * 50 channels	Cordierite, dense	13.2	55.6	6.0	890
4	150 * 150 * 300 43 * 43 channels	Mullite	9.9	41.8	4.5	670
5	150 * 150 * 300 34 * 34 channels	Mullite Alumina Porcelain	6.6 8.4	27.8 35.5	3.0 3.8	445 570

Physical and Chemical Properties

Property	Units	Alumina Porcelain	Mullite	Cordierite Dense	Cordierite Porous	Stoneware
Coefficient of thermal expansion (20 - 1000 degree Celsius ℃)	10^-6K^-1	5 - 7	6.2	1.3 - 3.4	2.5 - 5	4 - 7
Heat capacity (20 - 1000 degree Celsius)	J/kgK BTU/lb Fahrenheit	800 - 900 0.19 - 0.22	850 - 1050 0.20 - 0.22	800 - 1200 0.19 - 0.29	750 - 800 0.18 - 0.19	840-920 0.20 - 0.22
Resistance to thermal shocks	K	150	350	250	300	250
Maximum operating temperature	Celsius Fahrenheit	1300 2372	1600 2912	1300 2372	1300 2372	1200 2192
Alumina content	%	50	70	35	34	19

Pressure tests of ceramic materials are made at standard samples (according to DIN VDE 0335) and cannot formally be applied to the honeycomb monoliths.

Chemical Composition by Weight Percent

Component	Alumina Porcelain	Mullite	Cordierite Dense	Cordierite Porous	Stoneware
SiO₂	42.8	27.8	47.8	47.9	70.2
Al₂O₃	50.5	70.1	35.1	33.7	19.4
MgO	-	-	6.7	8.5	0.18
Fe₂O₃	0.6	0.8	0.78	1.6	0.70
Na₂O + K₂O + CaO	4.8	1.0	2.8	1.3	3.3
TiO₂ + BaO	-	-	0.39	0.78	0.25

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