DEVICE FOR DETERMINING FERRITE CONTENT IN MATERIAL Russian patent published in 2017 - IPC G01N27/72 

FIELD: measuring equipment.

SUBSTANCE: device for determining the ferrite content in the material comprises a body with a recess in the upper section, wherein the double body walls are provided with the channels for passage and the branch pipes for input and output of cooling fluid. The branch pipes are connected to the thermostat through hoses. Two permanent magnets are fixed inside the body on the opposite recess walls, the first two opposite poles of which are oriented towards each other so that the magnetic force lines, connecting their poles, intersect the space within the recess. The other two opposite poles of the magnets are connected by the C-shaped magnetic core, on which the inductance coil is wound. The inductance coil ends are connected to the first connector in the body, to which the first induction EMF recorder is connected. A thermal chamber is mounted in the body recess. A thermal chamber, connected to the current source, is mounted on the outer body side within the recess. An electric motor is inside the body, on the axis of which the rod is fixed. The rod is inserted into the thermal chamber through the side holes in the body recess wall and the thermal chamber. The rod is designed to place the test material in the thermal chamber volume and to rotate the test material at the constant angular speed in the vertical plane against the magnetic field lines of the constant magnets connecting their poles. The measuring junction of the thermocouple is inserted into the thermal chamber volume through the side holes therein so that the free thermocouple ends are located inside the body and connected through the second electrical connector in the body with the second EMF recorder.

EFFECT: increasing the accuracy of determining the temperature dependences of the magnetic material ferritization degree.

2 cl, 3 dwg