SU958335A1 - Glass melting tank furnace - Google Patents

Description

(5) BATHROOM GLASS FURNACE

 one

The invention relates to the building materials industry, in particular to glass-melting furnaces in glass melting baths, and can be used in glass-building factories.

A known furnace for melting glass melt, including a basin, in the bottom of which nozzles are installed for drilling glass melt with air. In this case, an increase in the rate of ascent of the lower colder flows of the glass melt upwards is achieved, heating them upwards, supplying more heat to the charge from the glass melt and, thereby the acceleration of the cooking mixture 1.

“However, the acceleration of the cooking process is accompanied by a decrease in the quality of the glass melt due to the appearance of bubbles in it, as well as by involving the bottom stagnant layers of the glass melt in the production flow.

The closest to the technical essence and the achieved result to the invention is a glass-melting furnace bath containing a cooking basin, burners, electrodes before the quilting point, electromagnets placed in a double point one above the other, placed in refractory pipes C23. Electromagnets-cooled by water.

However, the glass melt near water-cooled electromagnets is cooled, and the service life of electromagnets at high temperatures is relatively short.

The aim of the invention is to improve the reliability of the furnace.

Claims (2)

The goal is achieved by the fact that in a known glass-melting furnace bath including a cooking basin, burners, electrodes in front of the fire point are installed in the fire point: electromagnets placed above each other and electromagnets are made in the form of fire-resistant pipes with molten metal, in which additional electrodes. In this case, it is advisable to provide the furnace with a disconnector in the form of a refractory rotating sectional drum, installed in a protective gas medium, with a tank with an evaporative cooling cylinder and a pump. FIG. 1 shows a furnace, a longitudinal section; in fig. 2, 3 and 4 - nodes of the longitudinal section of the furnace; Fig.5 furnace, cross section. The glass melting furnace bath has a cooking basin 1, a homogenization clarification zone and 2 studs, and between them in the molten glass is a point 3. In the cooking part of the furnace there is a loading pocket for loading the charge on the underlayment of the cullet 5. In the oven there are burners 6. In the dome 8 above the quill station, slots 9 are arranged, through which electromata 10 are installed in the glass melt in the refractory tube 11. Electrodes 12 are installed on the side of the electromagnets on the side of the cooking pool. Electromagnets have two or more fire-resistant, for example heat-resistant glass, quartz or refractory, ceramic and other pipes 13 and 14 with a melt of low-melting metal 15, in which additional electrodes 16 are installed with passing an electric current through the melt of each of the adjacent parallel pipes in the opposite direction. On the molten metal flow, there is a disconnector 17, in the form of a refractory rotating sectional drum in a protective gaseous medium 18, a reservoir 19 with a protective gaseous medium. Refrigerators 20 with evaporative cooling pump 21 with nets for transferring molten metal are available in the rezervuvar. In the basin of the furnace there is a place for the grain — A, a studechny + production B flows of the glass melt, C — the acceleration of the currents created by the electromagnetic fields. The charge loaded through the pocket 4 on the sublayer of the glass breakage 5 is melted on the surface of the glass melt in the cooking part of the furnace 1 from above with warm heat from 4 burners 6, and from below with the heat from the melted glass flow from the fire point 3; to boot pocket. Due to the interaction of electromagnetic currents transmitted through the glass melt by the electrodes 12 and the external electromagnetic field generated by the electromagnets 10, in qelpunkt 3 they create a forced accelerated and directed movement of the glass melt flows C from the bottom up. As a result, the flow of glass mass A is accelerated, while it is well heated from above by the torches of the burners 6 in the area of the open glass mirror and then gives some of its heat to the charge and the broken glass from below, and the amount of this heat accelerates cooking the batch and glass 5. A sufficiently large cross section of the melt flow of metal 15 in the tubes 13 and 1 provides solid electromagnetic power around the field, and passing the current in the opposite direction to the melt metal 15 in closely spaced, parallel tubes 13 and 14 electromagnet 10 creates, in conjunction with the current in the environment - glass mass., Causing accelerated movement of glass mass from one side below the pair of conductors of electromagnet 10 and then up, as shown schematically by arrows in FIG. .1-3. Due to the fact that the cooler and conductor of electric current in the electromagnets is a molten metal, the service life of the electromagnets increases, and due to the fact that the temperature of the molten metal in the electromagnets can be maintained at a high level, the thermal efficiency of the furnace will be high. The tubes of electromagnets 13, 14 and 11 for moving their service life are cooled by recirculation of the molten metal 15, which is cooled in the tank 19 with the protective gaseous medium 18, by coolers 20 with evaporative cooling. The molten metal .15 is circulated by the pump 21, and the molten metal stream 15 is in the way, in order to cut off the current in the external circuit for the safety of the operating personnel, is disrupted by installing the 5I 9 17 disconnector in the form of a refractory rotating sectional drum in a protective gaseous environment 1, a glass furnace, a cooking basin, burners, electrodes at the point of delivery, two electromagnets placed above the rest of the fireplug in the fire point, characterized in that neither the reliability of the furnace, the electromagnets are made in the form of fire-resistant tubes with expanded metal, in which additional electrodes are located. 2. Furnace, pop, 1, distinguished by the fact that it is provided with a disconnector in the form of a refractory rotating sectional drum, a reservoir, with an evaporative cooling cooler and a pump installed in a protective gaseous medium on the flow of molten metal. Sources of information taken into account in the examination 1. Japanese Patent No., cl. 21A 31, 1972. 2. USSR author's certificate number 6609, cl. From 03 To 5/00, 1977. P. FIG. five