Nitrogen filling device of gas quenching furnace

• Main Authors: SHEN YELU, SHEN CHUANGUO, SHEN YEQING
• Format: Patent
• Language: Chinese; English
• Published: 28.05.2024
• Subjects: CHEMISTRY; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

The utility model discloses a nitrogen filling device for a gas quenching furnace, which relates to the technical field of gas quenching furnaces and comprises a gas inlet cover communicated with the gas quenching furnace, a three-way pipe is communicated with the outer wall of the gas inlet cover, gas inlet valves are fixedly sleeved at two ends of the pipe wall of the three-way pipe, and valve rods are communicated with the gas inlet valves. The side, away from the air inlet cover, of the three-way pipe is fixedly sleeved with a supporting sleeve, the outer wall of the supporting sleeve is fixedly sleeved with a supporting rod, the rod wall of the supporting rod is rotationally sleeved with a vertical plate, a transverse driving mechanism used for driving the air inlet valve to be opened and closed is arranged between the end of the vertical plate and the valve rod, and a connecting plate is fixedly arranged at the middle end of the vertical plate and rotationally arranged on the outer side of the supportin