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What role does RTO ceramic regenerator play in the furnace?

The key to the heat exchange in the RTO device is the heat storage filler, also known as the heat storage body, which is usually made of ceramic material.

In terms of ceramic regenerators, the two types currently used in RTO are basically ceramic bulk packing and ceramic structured packing. In the case of random packing: the porcelain ball and the ceramic saw saddle ring used in the chemical industry were originally used, and the ceramic saddle ring was used more.

Modern ceramic saddle rings have been greatly improved in opening area and airflow passage design to further prevent stacking of the packing and reduce pressure loss as the gas flows through the packed bed.

From the further development of RTO equipment technology, the first is to reduce emissions, and it is required to improve the design and combustion process of the burner, especially the control of combustion temperature, and the use of electric heating instead of oil/gas fuel to avoid adding auxiliary. Secondary pollution caused by fuel combustion and high temperature; secondly, how to increase gas velocity. Develop high-efficiency regenerators to reduce the volume of the device, thereby reducing investment costs; improving the initial distribution of gas to improve the effective utilization and heat transfer of the regenerator; and improving the switching valve to extend its service life. Further development of automatic detection and control of parameters in the device, in order to improve the safety and reliability of the operation, there are still many problems worth studying. In addition, numerical calculations and computer simulations of RTO equipment can be used to understand the operational behavior of the process and to optimize the design of the equipment, and in some respects can replace RTO intermediate tests to save money.

The RTO treatment technology is suitable for the purification of exhaust gases such as high-concentration organic waste gas, painted exhaust gas, and odorous exhaust gas (exhaust gas concentration above 500mg/L); it is suitable for the frequent changes of exhaust gas components or the components in the exhaust gas that cause catalyst poisoning or activity degradation ( Metal vapors such as mercury, tin, zinc, etc., and phosphorus, phosphide, arsenic, etc., tend to deactivate the catalyst; in the case of halogens and large amounts of water vapor, contain halogen hydrocarbons and other corrosive organic gases. Although catalytic combustion (RCO) has certain technical advantages over regenerative combustion (RTO) treatment technology, RCO is not suitable for exhaust gas containing metal vapor and halogen because it is easy to cause catalyst poisoning.

From the further development of the current RTO device technology, the RTO regenerative incinerator is bound to become the first choice for a new exhaust gas purification treatment industry such as organic waste gas, painted exhaust gas and odorous exhaust gas.