SU1335535A1 - Method of melting glass - Google Patents

Abstract

The invention relates to the building materials industry, in particular to the production of glass. The purpose of the invention is to accelerate the cooking of the charge and reduce fuel consumption. In the cooking basin in the downstream area, two groups of turbulence nozzles are installed on the left and right sides of the furnace. Compressed oxygen is fed through the nozzles. The drilling is carried out periodically on the fuel supply side. The rising bubbles produce a mixing of the glass melt under the charge and, when they exit to the surface, form an open mirror area of the glass melt. In the presence of oxygen, the stoichiometric mixture of fuel burns with a temperature exceeding the usual temperature of combustion of the fuel with air. i (L S 00 co wore cd m sd

Description

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The invention relates to the building materials industry, in particular to the manufacture of glass.

The purpose of the invention is to accelerate the cooking of the charge and the consumption of fuel.

The method includes supplying the charge to the brewing basin, where, in an area equal to the depth of the basin, two groups of turbulence nozzles are installed (on the left and right sides of the furnace in the sub-duct area),

Under the action of burners operating on one side of the furnace, the charge melts. Compressed oxygen is supplied through glass burling nozzles to glass melt. The rising bubbles produce a mixing of the glass melt under the charge and, when they exit to the surface, form an area of the open mirror of the glass melt. Oxygen rises from the side of the furnace where the fuel is supplied and the process of its combustion starts. In the presence of a ki (- toroid, a stoichiometric mixture burns with a temperature exceeding the usual temperature of fuel burning with air. This zone is located in the immediate vicinity of the charge. With the approach of the opposite inlet of the burner, the burning process is completed. ) contributes to the influx of heat from the flame in the HEADPHIRE.TO of the furnace and turn 1: the increase of its temperature and the rate of melting of the charge from below.

Periodically, the translation of the direction of the flame of the burners and the simultaneous switching off of the nozzles of the burling and. firing nozzles and burners on the other side of the furnace. On the other side of the furnace, in the zone of lifting of gas bubbles, an area of open mirror of glass melt forms. The processes of melting, heat transfer and mixing of the glass melt are similar to those described for Imomu. Simultaneous (synchronous) switching of the gas supply to the nozzles and the direction of the flame are carried out. The beginning, the duration of the translation of the direction of the flame and p €; the switching off of the supply of oxygen to the nozzles of the right and left sides of the furnace coincides with the time.

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The prepared glass mass is then supplied to the mine.

Due to the group arrangement of nozzles on an area with a diameter equal to the depth of the basin, the surface of the glass mass in the inflow zone is created free from the charge, through which heat from the flame enters the charge.

The proximity of the hottest flame to the charge makes it possible to accelerate the process of melting the charge from above, increase the heat transfer through the open mirror to the glass melt and increase its temperature and the rate of melting of the charge from the bottom.

The supply of oxygen under the charge makes it possible to create oxidative conditions for charging the charge and, by mixing, to obtain a homogeneous glass mass in the feed zone. At the same time, in the glass melt, the conditions for raising large bubbles, formed from the reactions of silver cathode formation, the dissolution of gas bubbles in the cooling zone of the glass mass due to the great diffusion of oxygen in the glass mass, compared to other gases in it, are improved.

The supply of oxygen in the combustion zone of the torch allows the maximum use of oxygen for combustion and thereby reduces the amount of air supplied for combustion. With this, the maximum flame temperature is reached in the immediate vicinity of the charge and due to this it decreases

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the effect of high temperatures on the furnace arch.

Claims (1)

Invention Formula The method of glass melting in the regenerative furnace of the furnace with the transverse direction of the flame, including loading of the charge, its melting, boiling in the furnace batch zone, cyclic switching of fuel supply and drilling, characterized in that in order to accelerate the cooking of the charge and reduce fuel consumption, drilling carried out by oxygen from the fuel supply side. the effect of high temperatures on the furnace arch. Invention Formula The method of glass melting in the regenerative furnace of the furnace with the transverse direction of the flame, including loading of the charge, its melting, boiling in the furnace batch zone, cyclic switching of fuel supply and drilling, characterized in that in order to accelerate the cooking of the charge and reduce fuel consumption, drilling carried out by oxygen from the fuel supply side.