Special thermocouple of gasifier

The utility model relates to a special thermocouple of gasifier, including thermocouple wire, protective case, connector and terminal board, the thermocouple wire is two, two thermocouple wire outsides are located to the protective case cover, and pass through the connector with the terminal board is connected, in two thermocouple wires, one of them root is the platinum -rhodium wire, and another root is copper nickel silk. The utility model discloses in, setting up two thermocouple wires in protective case, can measure to different temperature, need not often to change the thermocouple, labour saving and time saving has practiced thrift manufacturing cost greatly. 本实用新型涉及种气化炉专用热电偶，包括热电偶丝、保护套管、连接头以及端子盒，所述热电偶丝为两根，所述保护套管套设于两根热电偶丝外部，并通过所述连接头与所述端子盒连接，所述两根热电偶丝中，其中根为铂铑丝，另根为铜镍丝。本实用新型中，在保护套管内设置两根热电偶丝，可以针对不同的温度进行测量，无需经常更换热电偶，省时省力，大大节约了生产成本。