System and method to prevent the oxidizer overheating using cold side bypass for a vocs treatment system with series rotor

A system to prevent an oxidizer overheating using cold side bypass for a volatile organic compounds (VOCs) treatment system with a series rotor, comprising:

• a thermal oxidizer (TO) equipped with a burner and a chamber, wherein the burner and the chamber are linked together, the thermal oxidizer is equipped with an entrance and an exit, the entrance is at the burner, and the exit is at the chamber;
• a first heat exchanger installed in the chamber of the thermal oxidizer, wherein the first heat exchanger is equipped with the first cold-side pipeline and the first hot-side pipeline;
• a second heat exchanger installed in the chamber of the thermal oxidizer, wherein the second heat exchanger is equipped with the second cold-side pipeline and the second hot-side pipeline;
• a third heat exchanger installed in the chamber of the thermal oxidizer, wherein the third heat exchanger is equipped with the third cold-side pipeline and the third hot-side pipeline;
• a first cold-side transporting pipeline, wherein one end of the first cold-side transporting pipeline is connected with the other end of the first cold-side pipeline, and the other end of the first cold-side transporting pipeline is connected with the entrance of the thermal oxidizer;
• a first adsorption rotor equipped with the adsorption zone, the cooling zone, and the desorption zone, wherein the first adsorption rotor is connected with an exhaust air intake pipeline, a first purified air discharge pipeline, a first cooling air intake pipeline, a first cooling air transporting pipeline, a first hotter air transporting pipeline, and a first desorption-treated air pipeline;
• wherein one end of the exhaust air intake pipeline is connected with one side of the adsorption zone in the first adsorption rotor, one end of the first purified air discharge pipeline is connected with the other side of the adsorption zone in the first adsorption rotor, one end of the first cooling air intake pipeline is connected with one side of the cooling zone in the first adsorption rotor, one end of the first cooling air transporting pipeline is connected with the other side of the cooling zone in the first adsorption rotor, the other end of the first cooling air transporting pipeline is connected with one end of the third cold-side pipeline in the third heat exchanger, one end of the first hotter air transporting pipeline is connected with the other side of the desorption zone in the first adsorption rotor, the other end of the first hotter air transporting pipeline is connected with the other end of the third cold-side pipeline in the third heat exchanger, one end of the first desorption-treated air pipeline is connected with one side of the desorption zone in the first adsorption rotor, and the other end of the first desorption-treated air pipeline is connected with one end of the first cold-side pipeline in the first heat exchanger;
• a second adsorption rotor equipped with the adsorption zone, cooling zone, and desorption zone, wherein the second adsorption rotor is connected with a second purified air discharge pipeline, a second cooling air intake pipeline, a second cooling air transporting pipeline, a second hotter air transporting pipeline and a second desorption-treated air pipeline;
• wherein one end of the first purified air discharge pipeline is connected with one side of the adsorption zone in the second adsorption rotor, one end of the second purified air discharge pipeline is connected with the other side of the adsorption zone in the second adsorption rotor, one end of the second cooling air intake pipeline is connected with one side of the cooling zone in the second adsorption rotor, one end of the second cooling air transporting pipeline is connected with the other side of the cooling zone in the second adsorption rotor, the other end of the second cooling air transporting pipeline is connected with one end of the second cold-side pipeline in the second heat exchanger, one end of the second hotter air transporting pipeline is connected with the other side of the desorption zone in the second adsorption rotor, the other end of the second hotter air transporting pipeline is connected with the other end of the second cold-side pipeline in the second heat exchanger, and one end of the second desorption-treated air pipeline is connected with one side of the desorption zone in the second adsorption rotor;
• a chimney connected with the other end of the second purified air discharge pipeline;
• and
• a cold-side proportional damper, wherein one end of the cold-side proportional damper is connected with the first desorption-treated air pipeline, and the other end of the cold-side proportional damper is connected with the fourth cold-side transporting pipeline.