Gas extraction device for metal mineral inclusions and gas extraction method therefor

A gas extraction device for metal mineral inclusions, comprising:

• a base plate, an annular carrier, sealing covers, a grinding assembly, a vacuum assembly, a gas-gathering assembly, and a mass spectrometer;
• wherein the annular carrier is disposed on the base plate, a plurality of grinding chambers are defined and evenly distributed in a circular shape on the annular carrier;
• the sealing covers are disposed at openings of the grinding chambers;
• the grinding assembly comprises grinding hammers penetrating through the sealing covers and extending into the grinding chambers;
• side walls of each of the plurality of grinding chamber define a first through hole and a second through hole;
• the vacuum assembly is communicated with the grinding chambers through the first through holes;
• the gas-gathering assembly is communicated with the grinding chambers through the second through holes;
• and the mass spectrometer is communicated with the gas-gathering assembly;
• wherein the vacuum assembly comprises a vacuum pump, a first annular tube, a plurality of vacuum valves and a plurality of first connecting tubes;
• the vacuum pump is disposed on the base plate, the plurality of first connecting tubes are disposed uniformly in a circumferential direction on the first annular tube, the plurality of vacuum valves are disposed on the plurality of first connecting tubes respectively, ends of the plurality of first connecting tubes are connected to the first through holes, and the first annular tube is communicated with the vacuum pump;
• wherein the gas-gathering assembly comprises a second annular tube, a plurality of second connecting tubes, a plurality of gas-gathering valves, and a gas-gathering pump;
• the plurality of gas-gathering valves are respectively disposed on the plurality of second connecting tubes, the plurality of second connecting tubes are disposed uniformly in a circumferential direction on the second annular tube, ends of the plurality of second connecting tubes are respectively connected to the second through holes, the second annular tube is communicated with the mass spectrometer, and the gas-gathering pump is disposed on a pipeline between the second annular tube and the mass spectrometer.