50results about "Feeder spouts" patented technology

The present invention provides a molten material discharge device and discharge method for a glass melting furnace in a nuclear power plant. The molten material discharge device for a glass melting furnace in a nuclear power plant includes a target body containing molten material positioned at the top and a discharge assembly for continuously discharging the molten material to the bottom, the discharge assembly including a main body module, a drive module for providing driving force, a nozzle module for discharging the molten material from the target body, a heating module for heating the nozzle module by induction heating, a first temperature measurement module for acquiring first temperature information due to heating the nozzle module, and a second temperature measurement module for acquiring second temperature information, which is temperature information due to heating the nozzle module, separately from the first temperature information, the heating module maintains the nozzle module at a set temperature based on the first and second temperature information.

The present disclosure relates to the technical field of glass production. Disclosed are a hopper mechanism and a glass product production device. The hopper mechanism comprises a housing and a discharging hopper, the discharging hopper being arranged in the housing. The bottom of the housing is provided with a clearance opening. The discharging hopper is provided with a discharging nozzle, the discharging nozzle comprising a heat preservation section and an exposed section which are connected to each other, the heat preservation section being arranged in the clearance opening, the exposed section extending out of the clearance opening, and the height range of the exposed section being 20 mm to 50 mm. Compared with the prior art, the hopper mechanism provided by the present disclosure uses the heat preservation section arranged in the clearance opening and the exposed section extending out of the clearance opening, so that the hopper mechanism can effectively avoid the risk of sticking onto rollers during rolling processes and fold mark defects after rolling, thereby ensuring the forming quality of glass.

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.

A glass article production method including a processing step for processing molten glass Gm using a processing container 12, wherein vent pipes 18 are attached to and extend above an upper wall section 15c of the processing container 12, the method comprising a discharging step S1 for discharging gas inside the processing container 12 from the vent pipes 18 and a blocking step S2 for blocking the vent pipes 18 by raising the viscosity of the molten glass Gm inside the vent pipes 18 after the discharging step S1 has been executed.

A glass manufacturing apparatus includes a stirring chamber disposed on a base. The stirring chamber includes a first inlet port attached to a first connector tube; a chamber conduit; and an elbow conduit. The apparatus further includes a second connector tube connected to the elbow conduit for delivering molten glass therefrom. At least a portion of the second connector tube extends at least partially upward in a vertical direction. The apparatus also includes a delivery container connected to the second connector tube. One of the base or the delivery container is attached to a reference point fixed in the vertical direction. The other of the base or the delivery container is movable in response to thermal expansion of the second connector tube, independent of thermal expansion of the other of the base or the delivery container.

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.

To reduce the temperature of a melting material in a conduit surrounded by a heating enclosure.SOLUTION: A method for manufacturing glass comprises: heating a conduit 139 by a heating elements 337 and 338...in a chamber 339 when heating the conduit of a heating enclosure 327 in the chamber; and removing a part of the heating enclosure 327 surrounding the conduit 139 when reducing the temperature of the conduit 139 to cool a melting material flowing through the conduit 139 in the chamber.SELECTED DRAWING: Figure 6

A high-durability frit bowl relates to the technical field of glassware production devices and comprises an outer bowl, a first fixing groove is formed in the outer bowl, a second fixing block is mounted on the top surface of the outer bowl, four sleeves are arranged on the bottom surface of the outer bowl, an inner bowl is arranged in the outer bowl, and an annular fixing plate is fixedly mounted on the top surface of the inner bowl. A second fixing groove is formed in the bottom face of the annular fixing plate, a first fixing block is arranged at the bottom of the inner material bowl, four discharging ports are formed in the bottom face of the inner material bowl, the first fixing groove and the second fixing block of the outer material bowl are connected with the first fixing block and the second fixing groove of the inner material bowl in a matched mode respectively, and the outer material bowl is connected with the inner material bowl in a matched mode. And the discharge holes of the inner material bowls are respectively inserted into the sleeves of the outer material bowls. According to the utility model, the outer material bowl is matched with the inner material bowl, the inner material bowl is made of platinum, the outer material bowl is made of quartz ceramic, and the inner material bowl protects the outer material bowl, so that the washing of the outer material bowl by high-temperature frit is reduced, and the service life is prolonged.

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 molten glass gob delivery guide is disclosed that includes a chute having an upstream end, a downstream end, a rear surface, and a front surface. The chute is comprised of a gas permeable material and is able to accommodate the permeable flow of a permeating gas from the rear surface to the front surface of the chute. When a molten glass gob is conveyed along the chute over the front surface of the chute, the permeating gas flows permeably through the chute to establish a gas cushion that displaces the glass gob away from the front surface of the chute, which creates a thermal break between the glass gob and the chute. In this way, heat loss from the molten glass gob to the chute can be minimized as the gob travels along the chute.

A glass manufacturing apparatus includes a conduit in fluid communication with a delivery chamber and an inlet of a forming device. The conduit includes a closed sidewall surrounding a channel extending in a flow direction of the conduit. The glass manufacturing apparatus includes an outer shell surrounding the conduit and extending along a length of the conduit. The outer shell includes a refractory material in contact with the conduit such that an inner surface of the outer shell substantially matches a shape of an outer surface of the sidewall. Methods of manufacturing a glass ribbon are provided.

A glass manufacturing apparatus includes a stir chamber disposed on a base. The stir chamber includes an entry port attached to a first connector tube, a chamber conduit, and an elbow conduit. The apparatus also includes a second connector tube connected to the elbow conduit to deliver molten glass therefrom. At least a portion of the second connector tube extends at least partially upward in the vertical direction. The apparatus also includes a delivery vessel connected to the second connector tube. One of the base or the delivery vessel is attached to a reference point that is fixed in the vertical direction. The other one of the base or the delivery vessel is movable in response to thermal expansion of the second connector tube, which is independent of thermal expansion of the other one of the base or the delivery vessel.

The utility model relates to the technical field of glass droplet receiving mechanisms, and discloses a glass droplet receiving mechanism with a buffer component, which comprises a base, a storage bin is arranged in the base, an electric push rod is fixedly connected to the inner surface of the storage bin, a piston plate is fixedly connected to the top of the electric push rod, and the piston plate is matched with the storage bin. A top plate is fixedly connected to the top of the connecting column; a buffer plate is arranged at the top of the top plate; piston columns are fixedly connected to the bottom of the buffer plate; moving mechanisms for moving the buffer plate are arranged on the surfaces of the two piston columns; the top of the rubber pad is fixedly connected with a forming mold, and an adjusting mechanism for adjusting the forming mold is arranged at the bottom of the sliding cover. Through the arrangement of the electric push rod, impact force generated by dropping of liquid drops can be buffered.

Method and system for adjusting the viscosity of molten glass during the formation of molten glass gobs (13) used to manufacture glass containers (1), the method comprising directing the molten glass, through a section (14), into a spout (15) having a rotating tube (19) which is vertically movable to adjust the section (14), determining the weight of the gobs (13) and maintaining the weight of the gobs (13) in a predefined weight range by vertical displacement of the rotating tube (19), and adjusting the viscosity of the molten glass gobs 13 according to information provided by the rotating tube 19, by adjusting the temperature of the molten glass, and thus its viscosity, according to the vertical displacement of the rotating tube (19) or according to the torque of the rotating tube (19).

The utility model provides a material basin for preparing multicolor crystal glass. A round-basin-shaped crystal glass crucible is prepared from a refractory material; more than two feed ports and a crystal glass pot discharge port positioned in the middle of the pot bottom are formed in the periphery of the crystal glass pot, and the crystal glass pot discharge port is higher than the bottom of the crystal glass pot. Due to the fact that the discharging port of the crystal glass crucible is higher than the bottom of the crystal glass crucible, after material liquid of all the feeding ports is mixed to a certain degree at the bottom of the crucible, the artistic decoration effect with various uniform colors is generated.

A device and a method for conveying molten glass are provided. The device for conveying molten glass includes: a conduit structure, and at least one of a first cooling system or a second cooling system. The conduit structure axially penetrates through a throat in a throat brick to form a transmission channel for a glass fluid, the conduit structure including at least one metal conduit; the first cooling system is disposed on an inner wall of the throat and is not in direct contact with the conduit structure; and the second cooling system is arranged inside the throat brick.

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 glass forming line (14) includes a machine frame (20) having a glass gob loading axis (Z'), a traversable parison side (24) including a parison mold (14a) configured to form a glass gob (G) into a parison and having a parison mold vertical axis (Vi), and a mold carriage (26) movably carried on the machine frame and coupled to the traversable parison side to linearly translate the traversable parison side toward the glass gob loading axis to align the parison mold vertical axis with the glass gob loading axis and linearly translate the traversable parison side away from the glass gob loading axis. Related methods of loading a parison mold of a line are also disclosed.

A method of loading glass gobs into blank molds includes producing glass gobs falling from laterally spaced orifices along falling gob axes, and receiving the glass gobs into laterally spaced blank molds having blank mold centerlines corresponding to the falling gob axes. A related system is disclosed. Also disclosed is a multiple gob feeder that includes a feeder vessel including outlets with outlet centerlines, and feeder orifices in communication with the feeder vessel and having orifice centerlines coaxial with the outlet centerlines of the outlets of the feeder vessel and establishing gob falling axes and including orifice pipes and orifice tips below the orifice pipes. The orifice pipes include heaters to heat the orifice pipes and the orifice tips include orifice tip heaters to heat the orifice tips.

A system for and method of determining process parameters for a gob forming subsystem are disclosed. Upstream sensor data, representing information captured by one or more sensors installed upstream of a feeder of the gob forming subsystem, are obtained. One or more gob forming process parameters are determined as a result of executing an artificial intelligence (AI) model that takes, as input, the upstream sensor data and that generates, as output, process parameter data representing the one or more gob forming process parameters.

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

In accordance with one or more embodiments disclosed herein, a glass sheet may be formed by a method that includes supplying a feed of molten glass to an upper surface of a pair of forming rollers and rotating the pair of forming rollers to continuously form a glass sheet from the molten glass. The pair of forming rollers may be spaced apart by a forming gap, and the width of the forming gap may be less than or equal to about 800 microns. The molten glass may have a viscosity of less than or equal to about 200 poise. After passing through the forming gap, the thickness of the subsequent glass sheet may be less than or equal to about 800 microns.

The invention discloses a lifting type large optical glass casting forming machine and relates to the technical field of casting forming machines, the lifting type large optical glass casting forming machine comprises a base, a supporting frame, a control valve, a discharging pipe and a storage vat, the supporting frame is welded to the top end of the base, the storage vat is fixed to the top end of the supporting frame, and the discharging pipe is fixedly connected to the bottom end of the storage vat; a control valve is arranged on the outer side of the discharging pipe, a lifting plate is slidably arranged between the two supporting frames, a casting mold is arranged at the top end of the lifting plate, and a guide rod is arranged in one side of each supporting frame. The stirring motor is started to enable the driving shaft to rotate, and the stirring blades synchronously rotate under the action of the fixing block, so that raw materials in the storage barrel are conveniently stirred, the layering state of the raw materials can be broken through the operation, the raw materials are uniformly mixed, and the quality of the raw materials is improved. Therefore, the casting molding efficiency of the large optical glass is improved.

The utility model discloses an anti-corrosion durable material bowl for producing glass products. The anti-corrosion durable material bowl comprises a material bowl body, a discharging protection piece and a material nozzle, a plurality of discharge holes are formed in the bottom of the bowl body; the material nozzle is detachably fixed at the outer bottom of the material bowl body and is matched with the discharge hole; and the discharging protection piece is arranged at the bottom in the bowl body and penetrates into the discharging hole to form a discharging channel with the material nozzle. The anti-corrosion durable material bowl is formed by arranging the discharging protection piece and the material nozzle which are matched with each other on the two sides of the material bowl body, so that the anti-corrosion and temperature-resistant effects of the material bowl are enhanced, the service life of the material bowl is prolonged, and the production efficiency is improved.

A method and apparatus for manufacturing a quartz glass ingot of large cross-sectional area by drawing solftened quartz glass mass through a die and on-line cutting to a specific length, whereby on-line crack-free cutting of the ingot is ensured by using the internal heat of the ingot to permit equilibration of the internal and surface temperatures while passing through one or more annealing chambers, thus ensuring controlled cooling to temperature at which it is possible to cut the ingot with a water-cooled saw.

A glass manufacturing apparatus is disclosed that includes a vessel configured to deliver molten glass and a conduit extending from the vessel, the conduit including a distal end having a concave heating element joined thereto, a first electrical flange joined to the conduit, and a second electrical flange joined to the concave heating element. A method of preventing devitrification of molten glass-forming materials is also described.

The invention discloses a glass material shearing temperature control device which comprises a material bowl, a protection mechanism is arranged at an outlet of the material bowl, the protection mechanism comprises a protection barrel with the inner diameter larger than the caliber of the outlet of the material bowl, scissors capable of horizontally moving are arranged outside the protection barrel, and glass material liquid forms at least two states in the protection barrel by moving the scissors. And the protective cylinder is connected with the heater, is matched with the heater and is used for performing temperature zone isolation on the falling glass material drops. The glass material liquid flows out from the material bowl, the glass material liquid is switched between a first state and a second state by moving the scissors, in the two states, the protective cylinder protects the glass material body, the heater heats the protective cylinder, and a temperature environment similar to the glass material body is simulated. The suspended glass material liquid or glass material drops are located in the channel in the protection cylinder in a temperature zone isolation mode, the heat preservation effect is improved, the outer surface of the glass material body is prevented from being cooled, and the forming quality and the yield of subsequent glass products are improved.

The present invention concerns a computer-implemented method (10) for the regulation of a forming machine for molten glass drops of the type comprising: - containment means configured to contain molten glass; - a punch controllable in terms of initial height and in terms of stroke; - cutting means configured to cut the continuous flow of the molten glass in such a way as to form a drop at the end of a punching step. It should be noted that such method (10) comprises at least the following steps in sequence: - a characterization step a1) which provides for selecting a first control variable (u) of the punch chosen between the initial height and the stroke; - a control step b) which provides for calculating, for at least one punching step (Pk) and for the subsequent punching step (Pk+1), respectively a control variation (Δuk) and a subsequent control variation (Δuk+1) of the aforesaid first control variable (u) in such a way as to obtain, with such punching step (Pk), a drop with a desired weight variation (ΔWk) with respect to what is obtainable without the application of the control variation (Δuk) and the subsequent control variation (Δuk+1); more precisely, the control variation (Δuk) and the subsequent control variation (Δuk+1) satisfy the equation with a first coefficient (x1) and a second coefficient (x2) predetermined: ΔW k = x 1Δu k + x 2Δu k+1

A feeding assembly (1), for forming and feeding glass gobs (2), has a bowl (11), for containing a mass of molten glass (13), and a plurality of outlet bodies (24, 24a, 24b, 24c, 24d, 24e), which can be mounted in a fixed position and interchangeably below the bowl (11) and have orifices (22, 22a) with different diameters; the orifices (22) of the outlet body (24) that has been mounted are aligned with corresponding plungers (16), axially movable along vertical axes (19) to form glass beads (6) from the mass of molten glass (13); the glass beads (6) are cut by a cutting device (9) arranged below the orifices (22) to form the glass gobs (2); the feeding assembly (1) is configured during a production change, by selecting one of the available diameters so as to meet a weight and / or shape factor for the glass gobs (2) that will need to be fed, by determining a target glass flow rate, by checking whether the selected diameter meets the target glass flow rate and, in the negative, by adjusting the height position of the orifices (22, 22a) with respect to the bowl (11).