Exhaust gas processing device, exhaust gas processing system, method for controlling exhaust gas processing system, control program, and cylindrical tube

Abstract

An exhaust gas processing system includes a cylindrical tube through which an exhaust gas of an engine passes, a sensor configured to detect information regarding the exhaust gas discharged from the engine, a coil antenna provided on an outer periphery of the cylindrical tube and connected to a high-frequency power supply, and a control unit configured to control output power of the high-frequency power supply. The control unit controls output power of the high-frequency power supply based on the information detected by the sensor.

1 . An exhaust gas processing device, comprising:
 a cylindrical tube through which an exhaust gas discharged from an engine passes; and   a coil antenna provided on an outer periphery of the cylindrical tube and connected to a high-frequency power supply.   
     
     
         2 . The exhaust gas processing device of  claim 1 , wherein a temperature control unit configured to control a temperature of an internal atmosphere of the cylindrical tube is provided in the cylindrical tube. 
     
     
         3 . The exhaust gas processing device of  claim 2 , wherein the exhaust gas contains at least particulate matter and a nitrogen oxide and wherein the temperature control unit controls a temperature of the exhaust gas within the cylindrical tube to be 350° C. or higher and 650° C. or lower. 
     
     
         4 . The exhaust gas processing device of  claim 1 , wherein a first pipe is connected to an upstream side of the cylindrical tube and a second pipe is connected to a downstream side of the cylindrical tube, the first pipe communicating with the second pipe. 
     
     
         5 . The exhaust gas processing device of  claim 1 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.   
     
     
         6 . An exhaust gas processing system, comprising:
 a cylindrical tube through which an exhaust gas discharged from an engine passes;   a high-frequency power supply;   a coil antenna provided on an outer periphery of the cylindrical tube and connected to the high-frequency power supply;   a sensor configured to detect information regarding the exhaust gas discharged from the engine; and   a control unit configured to control an output power of the high-frequency power supply based on the detected information.   
     
     
         7 . A method for controlling an exhaust gas processing system which includes a cylindrical tube through which an exhaust gas discharged from an engine passes, a high-frequency power supply, a coil antenna provided on an outer periphery of the cylindrical tube and connected to the high-frequency power supply, a sensor configured to detect information regarding the exhaust gas discharged from the engine, and a control unit, the method comprising:
 detecting the information regarding the exhaust gas discharged from the engine with the sensor; and   controlling an output power of the high-frequency power supply based on the detected information by the control unit.   
     
     
         8 . A control program for an exhaust gas processing system which includes a cylindrical tube through which an exhaust gas discharged from an engine passes, a high-frequency power supply, a coil antenna provided on an outer periphery of the cylindrical tube and connected to the high-frequency power supply, a sensor configured to detect information regarding the exhaust gas discharged from the engine, and a control unit, wherein the control program executes:
 detecting the information regarding the exhaust gas discharged from the engine with the sensor; and   controlling an output power of the high-frequency power supply based on the detected information by the control unit.   
     
     
         9 . A cylindrical tube around which a coil antenna is wound, the cylindrical tube comprising:
 an exhaust gas path through which an exhaust gas of an engine passes; and   a coolant flow path provided at an outer periphery of the exhaust gas path.   
     
     
         10 . The exhaust gas processing device of  claim 2 , wherein a first pipe is connected to an upstream side of the cylindrical tube and a second pipe is connected to a downstream side of the cylindrical tube, the first pipe communicating with the second pipe. 
     
     
         11 . The exhaust gas processing device of  claim 3 , wherein a first pipe is connected to an upstream side of the cylindrical tube and a second pipe is connected to a downstream side of the cylindrical tube, the first pipe communicating with the second pipe. 
     
     
         12 . The exhaust gas processing device of  claim 2 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.   
     
     
         13 . The exhaust gas processing device of  claim 3 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.   
     
     
         14 . The exhaust gas processing device of  claim 4 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.   
     
     
         15 . The exhaust gas processing device of  claim 10 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.   
     
     
         16 . The exhaust gas processing device of  claim 11 , further comprising:
 a control unit configured to control an output power of the high-frequency power supply based on information regarding the exhaust gas discharged from the engine.