A glass tank furnace, comprising a melting portion, the melting portion comprising a melting tank, at least one burner mounted on a crown is provided in the melting tank; the burner is provided with a gas fuel conduit for supplying gas fuel and an oxygen conduit for supplying oxygen; a gas fuel flowmeter and a gas fuel control valve are provided on the gas fuel conduit; an oxygen flowmeter and an oxygen control valve are provided on the oxygen conduit; and, the gas fuel flowmeter, the gas fuel control valve, the oxygen flowmeter and the oxygen control valve are all connected to a control unit; the gas fuel flowmeter is configured to transmit the detected gas fuel flow to the control unit; the oxygen flowmeter is configured to transmit the detected oxygen flow to the control unit; the control unit is configured to receive the gas fuel flow from the gas fuel flowmeter, receive the oxygen flow from the oxygen flowmeter, according to the gas fuel flow and the oxygen flow, determine a control signal for the gas fuel control valve or the oxygen control valve or determine a control signal for the gas fuel control valve and a control signal for the oxygen control valve, and transmit the corresponding control signal to the gas fuel control valve or the oxygen control valve or transmit the corresponding control signal to the gas fuel control valve and the corresponding control signal to the oxygen control valve; the gas fuel control valve is configured to receive the control signal and then perform valve control according to the control signal; and the oxygen control valve is configured to receive the control signal and then perform valve control according to the control signal, at least one burner is mounted on either of the two sides of the crown, characterized in that at least one burner is mounted at the center of the crown, and the gas fuel conduit and the oxygen conduit of the burner mounted at the center of the crown within the melting tank form a concentric structure; the gas fuel conduit is an inner conduit of the concentric structure, and the oxygen conduit is an outer conduit of the concentric structure; an included angle between the gas fuel conduit and the oxygen conduit of the burner mounted on either of the two sides of the crown within the melting tank is greater than 0° and smaller than or equal to 5°. the gas fuel flowmeter is configured to transmit the detected gas fuel flow to the control unit; the oxygen flowmeter is configured to transmit the detected oxygen flow to the control unit; the control unit is configured to receive the gas fuel flow from the gas fuel flowmeter, receive the oxygen flow from the oxygen flowmeter, according to the gas fuel flow and the oxygen flow, determine a control signal for the gas fuel control valve or the oxygen control valve or determine a control signal for the gas fuel control valve and a control signal for the oxygen control valve, and transmit the corresponding control signal to the gas fuel control valve or the oxygen control valve or transmit the corresponding control signal to the gas fuel control valve and the corresponding control signal to the oxygen control valve; the gas fuel control valve is configured to receive the control signal and then perform valve control according to the control signal; and the oxygen control valve is configured to receive the control signal and then perform valve control according to the control signal, at least one burner is mounted on either of the two sides of the crown, characterized in that at least one burner is mounted at the center of the crown, and the gas fuel conduit and the oxygen conduit of the burner mounted at the center of the crown within the melting tank form a concentric structure; the gas fuel conduit is an inner conduit of the concentric structure, and the oxygen conduit is an outer conduit of the concentric structure; an included angle between the gas fuel conduit and the oxygen conduit of the burner mounted on either of the two sides of the crown within the melting tank is greater than 0° and smaller than or equal to 5°.