Iron ore reducing performance detection reactor

The utility model discloses an iron ore reducibility detection reactor, including reaction cylinder, gas mixing cylinder, sample reaction chamber, temperature measuring device and heat preservation cylinder, the reaction cylinder is equipped with gas inlet pipe and gas outlet pipe, the gas outlet pipe comprises a section of ring cooling pipe, the gas mixing cylinder is connected with the gas inlet pipe and contains the annular baffle, the sample reaction chamber is equipped with the temperature measuring device and the heat preservation cylinder, and the temperature measuring device is equipped with the temperature measuring device. The bottom of the reactor is a perforated sieve plate, the temperature measuring device is a three-point thermocouple and a matched thermocouple sleeve, the thermocouple sleeve penetrates through the reactor, a thermal insulation cylinder is enclosed at a position close to the top cover, a sample reaction cavity is enclosed in the middle of the reactor, and a gas mixing cylinder i