GLASS MANUFACTURING FURNACE WITH BARBOTAGE OF GLASS MASS LAYER Russian patent published in 2017 - IPC C03B5/193 

FIELD: chemistry.

SUBSTANCE: glass manufacturing furnace with barbotage of glass mass layer contains a body which consists of a melting chamber with rectangular cross-section with tuyeres located on its side walls in the lower part and of three chambers: clarification and cooling chamber, forehearth, cooling and primary purification chamber of exhaust gases. The clarification and cooling chamber is located under the melting chamber, and the forehearth adjoins to end wall of the melting chamber and is equipped with a glass mass output unit. The cooling and primary purification chamber of exhaust gases is located above the melting chamber and is equipped with charging device installed in its end wall for loading large-sized fractions of blend to the melting chamber. The above device is equipped with an inclined gravity slide made in the form of metal construction, which is subject to forced cooling, with fireproof layer on the operating side. The walls of the melting chamber, cooling and primary purification chamber of exhaust gases are caissoned with forced cooling and fireproof protective layer on the operating side, the walls of the clarification chamber and forehearth are fireproof. Metal tube caissons of the cooling and primary purification chamber of exhaust gases forming its ceiling and end wall, turned to the opposite end of the melting chamber are united in a radiation air heater, the input collector of which is connected with an air supply device and the output collector is connected to air pipes of mixers of fuel combustion chambers. Each of the tuyere, which is intended for supply of fuel combustion products and dust-like blend fraction to glass mass layer is connected with a respective fuel combustion chamber installed outside the melting chamber. The tuyeres with combustion chambers are located on the opposite side walls of the melting chamber in staggered rows. The clarification and cooling chamber is connected to the forehearth by cross-flow pipe the upper ridge of which is located below the axis of the tuyere row of the melting chamber at a distance of 5 diameters of tuyere output cross-section.

EFFECT: increased furnace productivity, enhancement of safety of operation thereof and homogeneity of physical and chemical properties of glass mass at furnace output.

2 dwg