With the increasing demand for indoor air quality and energy-efficient ventilation, honeycomb ceramic heat exchangers - a traditional high-temperature industrial material - are entering fresh air systems. Its unique porous structure, stable performance, and reusability solve the core pain points of traditional systems, such as high filter replacement costs and short service life, achieving efficient and economical indoor air treatment.
Honeycomb ceramic heat exchanger regenerator is a widely used material in the industrial field, playing a key role in the fresh air system. The unique structure of honeycomb ceramic thermal storage body gives it significant advantages in gas permeability and heat exchange efficiency. Below, we will discuss in detail how honeycomb ceramic thermal storage bodies participate in the operation of fresh air systems.
1.Structural characteristics and gas permeability
The structure of honeycomb ceramic thermal storage regenerator is composed of numerous closely arranged hexagonal or square pores, which provide a "highway" like passage path for gas molecules. This structure allows gas molecules to enter the pores without any obstacles, embarking on an efficient 'high-speed journey'. Unlike other materials with complex and intricate microstructures, the pores of honeycomb ceramic thermal storage regenerators are straight and continuous, greatly reducing collisions and obstacles of gas molecules during their movement.
2.Heat exchange in the fresh air system
In the fresh air system, honeycomb ceramic thermal storage is mainly used for heat exchange processes. When high-temperature flue gas passes through the honeycomb ceramic regenerator, heat is transferred to the thermal storage body itself. Subsequently, when fresh air needs to be heated, the heat stored in the heat storage regenerator is released and transferred to the cold air flowing in the opposite direction from the pores. During this process, rapid gas permeation enables efficient heat exchange, greatly improving energy utilization and allowing the fresh air system to operate with lower energy consumption
- The basic structure is a cylindrical honeycomb ceramic body, using new materials with scientific proportions and unique features The extrusion molding technology is made by ultra-high temperature firing.
- 1. Covering with anti mold and moisture-proof coating can prevent excessive indoor temperature and mold accumulation. 2. Recycling water molecules from the air, constant humidity temperature. 3. Easy to clean without secondary pollution and with a long service life
- 1. Energy can be extracted from exhaust gas to supply air for heating or cooling. 2. The heat storage and release efficiency is 97%, and the exchange is sufficient.
- 1. With extremely high heat absorption, storage, and release performance, as a full heat exchange core, it has energy recovery function. 2. The heat recovery rate reaches 97%.
Widely used in offices, schools and public facilities, they suit large-space ventilation. Properly configured systems can purify air within a 2.5km radius, showing potential for regional air improvement.
In industry, they integrate into high-VOCs factory fresh air systems, filtering particulates and decomposing harmful gases via catalytic reactions, adopted in chemical and electronics plants for dual ventilation-pollution control.
| Property | High Alumina | Mullite | Dense Cordierite | Dense Medium-Alumina Ceramic |
| Material Density (g/cm³） | 2.1~2.4 | 2.1~2.4 | 2.1~2.5 | 2.1~2.5 |
| Thermal Expansion Coefficient (RT-800℃) (10⁻⁶·℃⁻¹) | ≤5.5 | ≤5.5 | ≤6.0 | ≤3.5 |
| Specific Heat Capacity (J/kg·K) | 850~1100 | 900~1150 | 900~1150 | 900~1150 |
| Thermal Conductivity (20-1000℃) (W/m·K) | 1.5~2.0 | 1.5~2.0 | 1.7~2.2 | 1.7~2.2 |
| Thermal Shock Resistance Temperature (℃) | ≥300 | ≥300 | ≥300 | ≥250 |
| Softening Temperature (℃) | 1350 | 1450 | 1320 | 1320 |
| Water Absorption (%) | 15~20 | 15~20 | 4~8 | 0-2 |
| Compressive Strength (C-axis direction) (MPa) | ≥20 | ≥20 | ≥20 | ≥20 |
| Compressive Strength (A,B-axis direction) (MPa) | ≥4 | ≥4 | ≥4 | ≥4 |
| Size(mm) | Hole size(mm) | Inner wall thickness(mm) | Outer wall thickness(mm) |
| 80x100 | 3-4 | 0.8-1.2 | 1-2 |
| 95x100 | 3-4 | 0.8-1.2 | 1-2 |
| 120x100 | 3-6 | 1-1.5 | 1-2 |
| 135x100 | 3-6 | 1-1.5 | 1-2 |
| 140x100 | 3-6 | 1-2 | 1.5-2 |
| 150x100-150 | 3-6 | 1-2 | 1.5-2 |
| 180x100-150 | 3-6 | 2-3 | 2-3 |
| 200x100-150 | 3-6 | 2-3 | 2-3 |
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Post time: Jan-27-2026