Xi’an Company Obtained Authorization of New Utility Model Patent

"ABlue Carbon Sealing Discharge Systemof theCompound Furnace Coke Quenching Equipment" of Xi'an Coal Machinery Company was authorized by the utility model patent. "ABlue Carbon Sealing Discharging Systemfor theCompound Furnace Coke Quenching Equipment"can automatically control the sealing discharging process of blue carbon sealing discharging system, effectively avoid the leakageof harmful gas.