Reactor with jig provided in pipe for temperature measurement

A reactor comprising:

• a heat exchange section including:
• a first flow channel configured to flow a reaction fluid, and
• a second flow channel configured to flow a heat medium;
• an introduction path for a temperature sensor, extending from an insertion opening provided on a side surface of the heat exchange section to the first flow channel or the second flow channel;
• a pipe for a temperature sensor, connected to the side surface of the heat exchange section and communicating with the introduction path through the insertion opening;
• and
• a jig provided in the pipe, including a tip end facing the insertion opening of the introduction path and a base end positioned on a side opposite to the tip end;
• wherein
• the jig is provided with a guide hole extending from the base end toward the tip end and opened toward the insertion opening of the introduction path,
• the guide hole is provided with a tapered hole directed from the base end toward the tip end,
• the pipe includes a thin-wall part having an inner diameter of the maximum diameter or more of the jig, and a thick-wall part having an inner diameter of less than the maximum diameter of the jig, and
• the thin-wall part is located at an end portion of the pipe facing the side surface of the heat exchange section.