US 12,031,719 B2
System and method to prevent the oxidizer overheating using cold side bypass during high input for a VOCS treatment system with series rotor
Shih-Chih Cheng, Taoyuan (TW); Kuo-Yuan Lin, Taoyuan (TW); Ya-Ming Fu, Taoyuan (TW); Chung-Hsien Chen, Taoyuan (TW); and Pang-Yu Liu, Taoyuan (TW)
Assigned to DESICCANT TECHNOLOGY CORPORATION, Taoyuan (TW); and DESICCANT TECHNOLOGY(SHANGHAI) CORPORATION, Shanghai (CN)
Filed by DESICCANT TECHNOLOGY CORPORATION, Taoyuan (TW); and DESICCANT TECHNOLOGY(SHANGHAI) CORPORATION, Shanghai (CN)
Filed on Feb. 17, 2023, as Appl. No. 18/171,042.
Application 18/171,042 is a division of application No. 17/349,514, filed on Jun. 16, 2021, granted, now 11,761,626.
Claims priority of application No. 109124744 (TW), filed on Jul. 22, 2020.
Prior Publication US 2023/0204207 A1, Jun. 29, 2023
Int. Cl. B01D 53/02 (2006.01); F23G 7/06 (2006.01)
CPC F23G 7/068 (2013.01) [F23G 2201/90 (2013.01); F23G 2207/20 (2013.01); F23G 2207/50 (2013.01); F23G 2209/14 (2013.01)] 44 Claims
OG exemplary drawing
 
1. A system for preventing an oxidizer overheating using cold side bypass during high input for a volatile organic compounds (VOC) treatment system with a series rotor, comprising:
a thermal oxidizer (TO) comprising a burner and a chamber, wherein the burner and the chamber are linked together, the thermal oxidizer (TO) has 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 (TO), wherein the first heat exchanger comprises a first cold-side pipeline and a first hot-side pipeline;
a second heat exchanger installed in the chamber of the thermal oxidizer (TO), wherein the second heat exchanger comprises a second cold-side pipeline and a second hot-side pipeline;
a third heat exchanger installed in the chamber of the thermal oxidizer (TO), wherein the third heat exchanger comprises a third cold-side pipeline and a third hot-side pipeline;
a fourth heat exchanger installed in the chamber of the thermal oxidizer (TO), wherein the fourth heat exchanger comprises a fourth cold-side pipeline and a fourth hot-side pipeline;
a first cold-side transporting pipeline, wherein a first end of the first cold-side transporting pipeline is connected to an end of the first cold-side pipeline, and a second end of the first cold-side transporting pipeline is connected to a first of the fourth cold-side pipeline;
a fourth cold-side transporting pipeline, wherein a first end of the fourth cold-side transporting pipeline is connected to a second end of the fourth cold-side pipeline, and a second end of the fourth cold-side transporting pipeline is connected to the entrance of the thermal oxidizer (TO);
a first adsorption rotor comprising an adsorption zone, a cooling zone, and a desorption zone, wherein the first adsorption rotor is connected to 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 hot air transporting pipeline, and a first desorption-treated air pipeline,
wherein an end of the exhaust air intake pipeline is connected to a first side of the adsorption zone in the first adsorption rotor, an end of the first purified air discharge pipeline is connected to a second side of the adsorption zone in the first adsorption rotor, an end of the first cooling air intake pipeline is connected to a first side of the cooling zone in the first adsorption rotor, a first end of the first cooling air transporting pipeline is connected to a second side of the cooling zone in the first adsorption rotor, a second end of the first cooling air transporting pipeline is connected to a first end of the third cold-side pipeline in the third heat exchanger, a first end of the first hot air transporting pipeline is connected to the other side of the desorption zone in the first adsorption rotor, a second end of the first hot air transporting pipeline is connected to a second end of the third cold-side pipeline in the third heat exchanger, a first end of the first desorption-treated air pipeline is connected to one side of the desorption zone in the first adsorption rotor, and a second end of the first desorption-treated air pipeline is connected to the end of the first cold-side pipeline in the first heat exchanger;
a second adsorption rotor comprising an adsorption zone, a cooling zone and a desorption zone, wherein the second adsorption rotor is connected to a second purified air discharge pipeline, a second cooling air intake pipeline, a second cooling air transporting pipeline, a second hot air transporting pipeline, and a second desorption-treated air pipeline,
wherein the end of the first purified air discharge pipeline is connected to a first side of the adsorption zone in the second adsorption rotor, a first end of the second purified air discharge pipeline is connected to a second side of the adsorption zone in the second adsorption rotor, an end of the second cooling air intake pipeline is connected to a first side of the cooling zone in the second adsorption rotor, a first end of the second cooling air transporting pipeline is connected to a second side of the cooling zone in the second adsorption rotor, a second end of the second cooling air transporting pipeline is connected to a first end of the second cold-side pipeline in the second heat exchanger, a first end of the second hot air transporting pipeline is connected to the other side of the desorption zone in the second adsorption rotor, a second end of the second hot air transporting pipeline is connected to a second end of the second cold-side pipeline in the second heat exchanger, and a first end of the second desorption-treated air pipeline is connected to one side of the desorption zone in the second adsorption rotor;
a chimney connected to a second end of the second purified air discharge pipeline; and
a cold-side proportional damper, wherein a first end of the cold-side proportional damper is connected to the first desorption-treated air pipeline, and a second end of the cold-side proportional damper is connected to the first cold-side transporting pipeline.