88 results about "Molten glass" patented technology

This application relates to apparatus and methods for roll forming of high-refractive-index glass sheets. The method of forming a glass sheet includes: (a) forming a glass ribbon from molten glass using a pair of forming rollers; (b) reducing the horizontal temperature variation of the glass ribbon over 80% of its entire width before cooling to the glass transition temperature to 10°C or less; (c) controlling the cooling rate of the glass ribbon as it moves longitudinally downward in the solidification zone such that the glass ribbon has a first average cooling rate before cooling to the glass transition temperature and a second average cooling rate after cooling to the glass transition temperature, the first average cooling rate being less than the second average cooling rate; and (d) separating the glass sheet from the glass ribbon.

This invention discloses a method and system for monitoring the liquid glass level in a furnace during substrate glass preparation, belonging to the field of substrate glass manufacturing technology. It solves the technical problem that existing technologies cannot achieve real-time monitoring and adjustment of the liquid glass level in a substrate glass furnace to ensure its stability. The method involves collecting weighing data of glass powder and substrate glass, and calculating the theoretical height of the liquid glass level in the furnace. Subsequently, a glass volume conversion coefficient is set, and the actual liquid glass level is manually measured. The theoretical and actual liquid glass levels are compared to correct the volume conversion coefficients for melting glass powder and substrate glass. By comparing the difference between the theoretical and target liquid glass levels, the feeding frequency of the feeding system is adjusted, thereby achieving adjustment and stability of the liquid glass level in the substrate glass furnace.

A sealed fully automatic photovoltaic glass calendering forming method and apparatus. A calendering and conveying system calenders molten glass and then conveys same into a closed space, the molten glass is enabled to pass through each heat preservation zone, and under the combined action of each heat preservation zone and a cooling system, the temperature of the molten glass gradually decreases to form a glass ribbon having a certain thickness. By means of the method, the ambient temperature around a calendering apparatus can be effectively lowered, thereby effectively prolonging the service life of electronic components on the calendering apparatus. A console controls each driving system on the calendering apparatus to move, and detection assemblies collect movement data and feed back same to the console, so that initial parameters of glass can be quickly optimized, process parameter databases can be established, and commissioning and calibration of the apparatus can be quickly completed. The present invention can greatly reduce the difficulty and cost of early-stage commissioning, effectively improve the production efficiency and the control accuracy, and ensure the production quality of photovoltaic glass.

A system for forming a glass ribbon is provided, comprising a glass molded body for forming glass and a first laser module. The glass molded body is configured to allow molten glass to flow along the surface of the glass molded body to form a glass ribbon. The glass ribbon defines a first surface having a width extending from a first edge to a second edge. The first laser module is configured to generate a first laser beam scanned at least partially along the width of the first surface within a first scanning angle range to apply heat to assist in controlling the thickness of the glass ribbon. The direction of the first laser beam facing the first center within the first scanning angle range strikes the first surface at a first center strike angle that is not perpendicular to the first surface.

This utility model discloses an electrode brick structure for a substrate glass melting furnace, relating to the technical field of glass electric melting furnaces. It includes a furnace body and an oxy-fuel combustion system. The oxy-fuel combustion system includes an oxygen supply mechanism and a heating mechanism. The heating mechanism includes an electrode brick, a support assembly, and a propulsion assembly. A slot is formed on the side of the furnace body, and the electrode brick is slidably disposed within the slot. Both the support assembly and the propulsion assembly are fixedly connected to the furnace body, with the support assembly located at the bottom end of the slot and abutting against the electrode brick. The propulsion assembly is used to push the electrode brick to slide within the slot. During the operation of the substrate glass melting furnace, by setting up the propulsion assembly, when the electrode brick's heating power decreases due to erosion, it can be further pushed into the furnace, maintaining effective contact with the molten glass, continuously providing sufficient heating power, ensuring stable operation of the glass melting furnace, and avoiding the impact of insufficient power on glass production quality and efficiency.

In a machine for forming hollow glass products, a configurable supply assembly is provided for forming and supplying glass gobs. [Solution] In a supply assembly for shaping and supplying glass gobs 2, the orifice 22 of the outlet body 24 is aligned with a corresponding plunger 16 which is axially movable along a vertical axis 19 and forms a glass bead 6 from a mass of molten glass 13, and the glass bead is cut by a cutting device 9 located below the orifice to form a glass gob, and the supply assembly is configured such that during production changes, the steps of selecting one of the available diameters to satisfy the weight and / or shape factors of the glass gob to be supplied, determining a target glass flow rate, verifying whether the selected diameter satisfies the target glass flow rate, and adjusting the height position of the orifice 22 relative to the bowl 11 in case of a negative result are carried out.

This invention discloses a transparent microcrystalline glass for insulators and its preparation method, belonging to the field of insulator technology. The method includes the following steps: S1: Weighing each raw material according to the specified ratio and mixing them evenly to obtain a batch; S2: Melting and homogenizing the batch to obtain molten glass; S3: Shaping the molten glass and then annealing it to obtain a base glass; S4: Heat-treating the base glass to obtain the microcrystalline glass. This invention, by limiting the proportions of specific components, achieves a microcrystalline glass with a transmittance ≥80%@550nm, a dielectric constant of 6-7@50Hz, a dielectric loss ≤0.004, and a resistivity ≥10. 13 It has a strength of Ω·cm, a bending strength of ≥140MPa, and combines high transparency, excellent electrical insulation and mechanical properties.

A feeding assembly for forming and feeding glass gobs includes a bowl for containing molten glass and a plurality of outlet bodies with orifices of different diameters that can be mounted interchangeably in a fixed position below the bowl. The orifices of a mounted outlet body are aligned with corresponding plungers that are axially movable along vertical axes to form glass beads from the molten glass. A cutting device is arranged below the orifices to cut the beads and form the gobs. The assembly is configured during a production change by selecting one of the available diameters to meet a weight and / or a shape factor for the gobs to be fed, determining a target glass flow rate, checking whether the assembly with the selected diameter meets the target glass flow rate, and, if not, adjusting a height position of the orifices relative to the bowl.

The present invention relates to a novel baffle mechanism (10) for preforming molten glass in an IS (row-type) machine, also known as an automated glass bottle production machine.

A glass manufacturing apparatus is disclosed comprising a vessel configured to deliver molten glass; a conduit extending from the vessel, the conduit including a distal end having a concave heating member connected thereto; a first electrical flange connected to the conduit; and a second electrical flange connected to the concave heating member. A method of preventing devitrification of a molten glass forming material is also described.

A glass manufacturing apparatus includes a melting vessel containing an internal chamber for receiving molten glass. A first electrode, a second electrode, a third electrode, and a fourth electrode extend within the internal chamber. A first power source is electrically connected to the first and second electrodes and delivers a first current. A second power source is electrically connected to the second and third electrodes and delivers a second current. The second current is out of phase with the first current. A third power source is electrically connected to the third and fourth electrodes and delivers a third current. The third current is out of phase with the second current. A method for manufacturing glass is also provided.

This invention belongs to the field of glass production technology, specifically relating to a special glass furnace. The special glass furnace includes a rectangular molten glass pool and a furnace body connected above it. The furnace body has a feeding port, and the molten glass pool has a discharge port. The bottom of the molten glass pool is equipped with at least one kiln sill, dividing the pool along its length into an upstream functional area near the feeding port and a downstream functional area near the discharge port. Multiple sets of bubbling devices are installed in the upstream functional area. This invention achieves physical zoning of the process through the kiln sill. The upstream functional area can complete melting, homogenization, and bubble removal, while the downstream functional area can complete settling and clarification before discharge, preventing unmelted impurities from mixing into the finished product, thus improving the quality of the molten glass and meeting the production needs of large-scale special glass furnaces.

This utility model discloses an emergency lifting device for a linear motor in a tin bath, relating to the technical field of float glass production equipment. It includes a mobile trolley and a frame. A first adjusting mechanism and a second adjusting mechanism are respectively installed on both sides of the frame. The first adjusting mechanism includes a first adjusting frame, a reduction motor, a threaded sleeve, a threaded shaft, and a transmission assembly. The threaded shaft is vertically rotatably mounted on the frame, and the threaded sleeve is threaded onto the outside of the threaded shaft. A linear motor is mounted on the first adjusting frame, and the reduction motor is mounted on the side end of the frame. The transmission assembly connects the output end of the reduction motor to the threaded shaft. In an emergency requiring rapid lifting of the machine head, the controller starts the reduction motor. The reduction motor, in conjunction with the first and second sprockets, drives the threaded shaft to rotate. The rotating threaded shaft causes the threaded sleeve to lift one end of the first adjusting frame, thereby lifting the machine head of the linear motor upwards and preventing the machine head from colliding with the molten glass.

A process for producing recycled material comprises (a) providing a battery material, (b) melting the battery material to produce molten glass, (c) separating the molten glass from at least one of the group consisting of a metallic material and an organic compound contained in the battery material, and (d) cooling the molten glass to produce a glass material.

This invention belongs to the field of glass insulator processing technology, specifically a rapid-cooling multi-umbrella glass insulator casting mold. Addressing the issue of slow molding speed or shape defects caused by poor fluidity of molten glass, the following solution is proposed: a rotary table with a support frame on one side and multiple circumferentially spaced mounting seats fixedly connected to the upper side of the table. Each mounting seat has a flipping seat on the side away from the rotary table, and a base plate is mounted above each flipping seat. This invention discloses a rapid-cooling multi-umbrella glass insulator casting mold that uses a rotary table to sequentially and cyclically transport the bottom molds from multiple mounting seats to the casting position for continuous casting. The use of a flow equalization module improves the flow of molten glass during casting, ensuring the quality of the multi-umbrella glass insulators after casting. The cooling module rapidly cools the cast product, shortening the molding time.

A glass forming apparatus is disclosed, comprising a glass conveying device and a hot extraction assembly. The glass conveying device includes a trough through which molten glass flows to form a glass ribbon, and the trough includes a plurality of channels formed therein. The hot extraction assembly includes an outer tube, an inner tube, a cooling fluid source, and a drain manifold. The outer tube includes a proximal end and a distal end connected to one of the plurality of channels. The inner tube extends within the outer cavity of the outer tube. The cooling fluid source is fluidly coupled to the inner tube to supply cooling fluid into the inner cavity of the inner tube. The drain manifold is fluidly coupled to a drain channel defined between the inner tube and the outer tube for draining the cooling fluid.

To provide a method for manufacturing molten glass that can further reduce the delay in melting of the glass raw material composition during the glass melting process. [Solution] A method for producing molten glass having a glass composition containing SiO2 and Al2O3 by melting a glass raw material composition containing silica sand, aluminum oxide, and an alkali metal source, wherein the silica sand has a D90 of more than 600 μm, and the aluminum oxide has a D90 of 200 μm or less. The glass composition preferably has an oxide-based content of SiO2 of 50 mol% or more, an Al2O3 content of 5 mol% or more, and a total content of Li2O, Na2O, and K2O of 5 mol% or more.

A glass sheet including a glass phase including a glass composition; and a primary crystalline phase dispersed within the glass phase, the primary crystalline phase including cerium atoms, a majority of which have a +3 oxidation state. The primary crystalline phase can be aeschynite. A photovoltaic module including one or more photovoltaic cells; and a cover sheet including the glass sheet disposed between the one or more photovoltaic cells and an external environment. An architectural window including a first pane including the glass sheet; and a second pane separated from the first pane by a space. The primary crystalline phase can be present within the glass phase before separation of the glass sheet from a ribbon of glass formed from delivering molten glass to a mold. A subsequent heat treatment step can cause the primary crystalline phase to form in the glass sheet.

This utility model provides a glass substrate casting mold, relating to the field of casting molds, comprising: a mold body, the interior of which is provided with a circulating cooling mechanism for rapid cooling; and a convenient demolding mechanism located at the top of the mold body for lifting and demolding the formed glass substrate; the circulating cooling mechanism includes a heat-conducting copper block, a heat-conducting cooling component, and a circulation component; by setting up the circulating cooling mechanism, the molten glass material can be easily subjected to heat absorption, heat conduction, and circulating cooling, thus eliminating the need to spend a lot of time waiting for the glass material to cool down and solidify, thereby effectively improving the cooling and solidification molding rate and thus improving production efficiency. Furthermore, by setting up the convenient demolding mechanism, the solidified glass substrate can be easily lifted and demolded, thus eliminating the need for demolding by hammering, avoiding product damage, and effectively improving the final product qualification rate.

This utility model relates to the field of glass bottle processing technology, specifically a glass furnace unloading device for perfume glass bottle processing. It includes an unloading pipe located at the bottom of the furnace, with an unloading chamber fixedly connected to its lower end. A sealing assembly is disposed inside the unloading chamber, comprising an electric push rod fixedly installed on the outer surface of the unloading chamber. A piston block is slidably connected inside the unloading pipe, and a piston rod is fixedly installed on the lower surface of the piston block. A pressure regulating assembly is disposed on the outer surface of the unloading chamber. In this utility model, by setting the unloading pipe at the bottom of the furnace, the piston block moves up and down inside the unloading pipe, allowing the unloading pipe to open and close quickly, thus accelerating the unloading speed. By creating a negative pressure environment inside the unloading chamber, the outflow rate of molten glass before reaching the required heating temperature is accelerated. Furthermore, by creating a high-pressure environment inside the unloading chamber, the discharge rate of molten glass from the unloading chamber is accelerated.

A glass ribbon manufacturing apparatus according to the present invention comprises: a conditioning tank for accommodating molten glass; a nozzle coupled to the lower end of the conditioning tank and comprising an opening for discharging the molten glass; and a barrier disposed around the opening.

Systems and methods for printing lightweight lattices using coordinated multi-axis motion are disclosed. The lattices can be printed from silica glass filament. Strut members are printed by heating the filament with a laser and feeding the filament in at a constant angle, which allows for minimum deflection and increases printing speed. This takes advantage of molten glass viscosity and applies forces onto workpieces by the filament feeding or by the movement of the substrate relative to the feeder at the constant angle. Members can be connected at joints to form a group of struts, and multiple groups of struts can form a respective layer. A subsequent layer can be printed onto the top joints of the preceding layer's groups of struts. The filaments can be 2mm diameter borosilicate glass filaments. This can also be adapted to Alumina and ceramic filaments and even metals using laser or arc heating.

The utility model discloses a stress buffer structure of leadless glass ring seal joint of titanium cup mouth part, including the mechanism that holds, the mechanism that holds includes titanium cup, the top of titanium cup is provided with annular wave groove, the inside wall of annular wave groove has sprayed transition coating, the top of titanium cup is equipped with glass ring, glass ring bottom is compatible with annular wave groove. In the utility model, the annular wave groove is formed through precision numerical control processing or laser etching at the cup mouth position of titanium cup, then the transition coating of silicon oxide is plated on the inside wall of annular wave groove by using chemical vapor deposition, then the molten glass ring is buckled on the top of annular wave groove, thereby completing the sealing operation, in the whole sealing process, annular wave groove prevents stress concentration, then the transition coating guarantees the wettability of glass melting and titanium, effectively buffers stress, and the product quality is stable.

The present invention provides a device and a method for heat dissipation from a glass melt in a platinum channel, wherein the device comprises a heat dissipation unit and a monitoring unit, and the monitoring unit and the heat dissipation unit can be mounted on a pipe section of a platinum channel, wherein the heat dissipation unit comprises an internal cooling unit and an external air guide unit, wherein the external air guide unit is capable of connecting to an external cooling air supply system, whereby the control unit regulates the temperature of the glass melt in the pipe section of the platinum channel based on the temperature data of the glass melt monitored by the monitoring unit, wherein the internal cooling unit comprises a circulating cooling tube arranged in the platinum channel, the circulating cooling tube having an air inlet and an air outlet.wherein a pipe section of the air inlet and the air outlet each projects out from the platinum channel and is connected to the external air guide unit, the external air guide unit having an external connecting pipe, the external connecting pipe serving for connection to the external cooling air supply system. The present invention enables rapid and uniform heat dissipation from the molten glass and thus effectively overcomes the disadvantage of existing systems where the capability is limited in favor of space requirements, thereby creating robust conditions for subsequent glass processing.

The present application relates to a method for the continuous production of glass ingots (2) according to the continuous casting process, wherein molten glass is fed from a feeder (3) into a mold (5) and a glass strand (6) is formed, which is transported via a conveyor (7) to a cooling device (9) and subsequently to a cutting device, in which the cooled glass strand (6) is divided into individual glass ingots (7), wherein the projection of the outer shell of the glass strand (6) is continuously determined by means of a non-contact measuring device (10) at the latest before the glass strand (6) is transported into the cooling device (9), and the feeder temperature and / or the transport speed are adjusted in accordance with the values obtained.

This utility model relates to the field of deep water ladle technology in float glass melting furnaces, specifically to a device for assisting in the bottlenecking of a deep water ladle, comprising an insertion part and a blocking part; the blocking part is vertically connected to one end of the insertion part, and any end face of the blocking part along its own thickness direction is the water ladle contact surface, while the end face of the blocking part facing the insertion part is the furnace wall contact surface. This utility model, by providing a device with an insertion part and a blocking part for assisting in the bottlenecking of a deep water ladle, operates the insertion part to insert the blocking part into the furnace, so that the water ladle contact surface of the blocking part abuts against the original deep water ladle's blocking part, and simultaneously, the furnace wall contact surface of the blocking part abuts against the furnace wall, thereby maximally preventing molten glass from flowing through the gap between the original deep water ladle and the furnace wall, thus reducing the scouring and erosion of the furnace wall by the molten glass.

This application provides an ultrasonic-assisted forming method for capillary glass tubes used in optical inspection, applied to a forming apparatus including an ultrasonic base and a metal core needle. After preheating the forming apparatus to a first temperature, molten glass is poured in, causing it to coat the core needle and tend to form a transiently solidified layer. An acoustic model is established by collecting the effective working length of the core needle and the material's acoustic parameters. Based on the acoustic model and considering the critical energy density required to destroy the transiently solidified layer and the effective glass forming time, the acoustic energy output parameters of the core needle are determined. According to these parameters, high-frequency ultrasound is continuously applied through the ultrasonic base during the cooling process of the glass from the molten state to a second temperature, causing the core needle to vibrate to destroy and suppress the transiently solidified layer. The ultrasound is then turned off. This method can reduce interfacial stress concentration, suppress the formation of microcracks on the inner wall, and improve the smoothness of the inner wall of the capillary glass tube as well as its optical and mechanical properties.

A glass transport system configured to cause molten glass to interact with silica in a silica-containing material and increase the viscosity of the molten glass sufficiently to slow or stop the flow of a glass leak by incorporating the silica-containing material into an advancing glass leak stream or introducing the silica-containing material to an advancing glass leak stream.

A method for refining low-density submerged combustion glass is described. The method involves introducing unrefined molten glass (18) produced in a submerged combustion melter (10) into a refining chamber (78) of a downstream refining tank (12). Additive particles (26) are also introduced into the refining chamber (78) to release one or more refining agents (142) into the molten glass bath (22) contained within the chamber (78) to accelerate the removal of bubbles from the molten glass bath (22). Refining the molten glass bath (22) assisted by one or more refining agents (142) allows the refined glass (24) to be discharged from the refining tank (12) with fewer bubbles and a higher density than that of the unrefined molten glass (18) introduced into the refining tank (12).Also described are additive particles (26) that include a physical mixture of a reactive glass material (140) and refining agent(s) (142).