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Performance and Design Requirements of Infrared Honeycomb Ceramic Plate

Views: 6     Author: Pingxiang Chemshun Ceramics CO.,LTD     Publish Time: 2022-01-24      Origin: Pingxiang Chemshun Ceramics CO.,LTD

Infrared honeycomb ceramic plate is the core component of gas infrared heater. It heats objects by means of thermal radiation. Because radiation heating has many unique excellent performance, and the thermal emissivity of ordinary ceramic materials is relatively high, so the infrared ceramic ceramic plate infrared heater is compared with the traditional burner, it has the advantages of high heating efficiency, good product processing performance, and very low NOx generation rate.


On the one hand, the structure of the infrared honeycomb ceramic plate determines the distribution of the burning temperature and radiation capacity of the radiator. On the other hand, the filler plays a major role in the stable combustion of the radiator. Therefore, the radiator has certain requirements for the shape of infrared honeycomb ceramic plate and quality, that is, for its materials, formula and molding process.

Infrared Honeycomb Ceramic Plate-1

1. It is required to strictly control the thermal conductivity of infrared honeycomb ceramic plate

In general, ceramic materials have too high thermal conductivity to maintain stable combustion. Therefore, in the formula design of infrared honeycomb ceramic plate, in addition to appropriate selection of various ceramic materials, also need to add appropriate amount of burning. In order to reduce the thermal conductivity of infrared honeycomb ceramic plate, after forming infrared ceramic plate, a large number of small voids are left during high temperature sintering.


2. Channel and structure of infrared honeycomb ceramic plate

In order to ensure the stable combustion of the radiator, in addition to maintaining a certain thermal conductivity of the infrared honeycomb ceramic plate, the flame diameter, the number of flame channels and the structural form of the hole on the infrared honeycomb ceramic plate are round, square, triangle and hexagonal. Depending on the composition and nature of the fuel used, all must be controlled within certain limits. At the same time, in order to maintain a certain heat load of the radiator, the infrared honeycomb ceramic plate is required to allow enough gas-air mixture through. Therefore, the flame channel size of infrared honeycomb ceramic plate is small, the arrangement must be very close, and thousands of flame channels should be evenly arranged, which puts forward high requirements for the forming process of infrared honeycomb ceramic plate.


3.the infrared honeycomb ceramic plate requires a certain mechanical strength, and has good resistance to rapid thermal quenching, because the mechanical strength of the infrared honeycomb ceramic plate is related to its volume density, the greater the volume density, the greater the strength, but the thermal conductivity at this time also increases. Therefore, the mechanical strength and thermal conductivity of infrared honeycomb ceramic plate are contradictory, and the thermal conductivity must be kept within a certain range and have sufficient mechanical strength.

Infrared Honeycomb Ceramic Plate-2


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