The basic principle of RTO is to oxidize organic waste gas to produce CO2 and H2O at high temperature (>760°C) to remove RTO. The ceramic heat storage can maximize the recovery and reuse of heat energy, and the heat recovery rate is more than 95%.
      The regenerator is a key component. However, from the perspective of practical applications, the life of ceramic regenerators is often unsatisfactory for many reasons. The thermal storage performance of the ceramic regenerator is reduced in the following aspects:
      1. Damaged. Flue gas and air repeatedly wash away the regenerator, resulting in frequent changes in the temperature of the ceramic regenerator. For a point in the thermal storage tank, the temperature of the regenerator should be periodically increased and decreased by 100-200°C. Thermal shock has a destructive effect on the regenerator material. Its resistance to cold and hot heat is often not good, and it is prone to damage.
      2. Burning. In multi-chamber (two-chamber) regenerative heating furnaces, air and natural gas nozzles are large, and the mixing effect of air and natural gas flow is not ideal, resulting in incomplete combustion. When the remaining air and natural gas enter the narrow space of the regenerator, it causes secondary combustion and damages the regenerator.
      3. Melt softening. Because the flue gas contains impurities such as iron oxide, it continuously contacts with the heat storage body, and forms a low hot melt under the high temperature conditions of the combustion chamber, which reduces the reflow temperature of the material. Eventually, the reflow material blocked the air flow passage and caused the air flow to fail.