Magnetic suspension thermobalance based on quick photothermal heating and measurement method thereof

A magnetic suspension thermobalance based on photothermal heating, the magnetic suspension thermobalance comprising:

• a sealed container, a reaction tank, a magnetic suspension device, a laser displacement monitoring component, a photothermal heating component and a photothermal heating component displacement device,
• wherein a gas inlet is disposed on an upper end of the sealed container, a removable cover plate is disposed on a lower end of the sealed container, a gas outlet is disposed on the cover plate, an air flow stabilization device and an infrared temperature measurement component are disposed inside the sealed container, a displacement monitoring window and a heating beam window both made of a transparent material are disposed in a side wall of the sealed container, the air flow stabilization device is fixed below the gas inlet, the infrared temperature measurement component is fixed below the air flow stabilization device,
• the photothermal heating component and the laser displacement monitoring component are disposed around the sealed container, the photothermal heating component is connected to the photothermal heating component displacement device and is displaceable through the photothermal heating component displacement device,
• the magnetic suspension device comprises a magnetic suspension float and a magnetic suspension stator, a support stand configured to support the reaction tank is fixedly disposed on an upper portion of the magnetic suspension float, and
• when measurement is performed, the magnetic suspension stator is located below the cover plate, the reaction tank is placed on the support stand and is placed in the sealed container together with the magnetic suspension float, and the reaction tank, the magnetic suspension float, and the magnetic suspension stator are on a same center axis, the infrared temperature measurement component faces an opening on an upper portion of the reaction tank, a heating beam emitted by the photothermal heating component passes through the heating beam window and focuses on the reaction tank, a monitoring laser beam emitted by the laser displacement monitoring component passes through the displacement monitoring window and irradiates a measurement position of the magnetic suspension float.