WO2017063666A1 - Dispositif de génération d'une atmosphère gazeuse contenant de la vapeur et composant d'installation comportant d'un tel dispositif - Google Patents

Dispositif de génération d'une atmosphère gazeuse contenant de la vapeur et composant d'installation comportant d'un tel dispositif Download PDF

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Publication number
WO2017063666A1
WO2017063666A1 PCT/EP2015/073578 EP2015073578W WO2017063666A1 WO 2017063666 A1 WO2017063666 A1 WO 2017063666A1 EP 2015073578 W EP2015073578 W EP 2015073578W WO 2017063666 A1 WO2017063666 A1 WO 2017063666A1
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WO
WIPO (PCT)
Prior art keywords
wall
melt
vapor
channel
gas
Prior art date
Application number
PCT/EP2015/073578
Other languages
German (de)
English (en)
Inventor
Mirsolav MORAVSKY
Reiner JUFFA
Original Assignee
Emp-Glass Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emp-Glass Gmbh filed Critical Emp-Glass Gmbh
Priority to PCT/EP2015/073578 priority Critical patent/WO2017063666A1/fr
Priority to JP2018537715A priority patent/JP6638076B2/ja
Publication of WO2017063666A1 publication Critical patent/WO2017063666A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
    • C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/02—Forehearths, i.e. feeder channels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/08—Feeder spouts, e.g. gob feeders

Definitions

  • the invention relates to a device for generating a vapor-containing gas atmosphere.
  • the invention further relates to a system component with at least one such device.
  • inorganic non-metallic melts eg. As glass and the like. More, and for shaping are particularly high demands on purity, optical quality and homogeneity of produced components, eg. As glasses, walls of melt leading plant components of precious metals, in particular platinum or
  • the inorganic-nonmetallic melts At temperatures of the inorganic-nonmetallic melts in a range between 1000 ° C and 1700 ° C and beyond a proportion of water in the melt is partially dissociated.
  • the free hydrogen ion is capable of the wall of the system component, ie in this case z.
  • Oxygen bubbles can degrade the quality of the product or render it unusable.
  • the melt-carrying system component is usually formed as a channel with a circular, elliptical or rectangular-like cross-section, with modifications of a purely cylindrical design with - -
  • Diameter changes and further shape deviations are possible, as is known for example in the so-called feeder head.
  • the noble metal-containing outer wall of the melt-leading channel of the system component is surrounded by a refractory material. It serves both the thermal insulation and the mechanical support of the outer wall of the melt leading channel.
  • Water vapor on the outer wall of the platinum tube realized in consideration of a partial pressure of water vapor on an inner wall of the platinum tube.
  • a housing is provided in order to achieve a sufficiently high partial pressure of hydrogen on the outer wall.
  • WO 02/44115 A3 describes a coated metal part for the production of glass, which has a layer which is impermeable to hydrogen on the side facing away from the molten glass.
  • molten glass is at least partially of noble metal walls or Surrounding refractory metal walls, wherein an oxygen bubble formation by controlling the oxygen partial pressure in the molten glass is avoided by at least one probe for determining the
  • a range of oxygen partial pressure is determined in which neither bubbles nor N 2, CO 2 and / or SO 2 bubbles and / or alloy damage to metal walls and by means of a on the
  • Metal wall or arranged in the melt electrode by applying a counter-voltage and / or by rinsing by means of hydrogen, water vapor or oxygen in pure or diluted form, the oxygen partial pressure in this range.
  • the invention is based on the object, an improved over the prior art apparatus for generating a vapor-containing
  • the invention is further based on the object to provide a system component with such a device.
  • Gas atmosphere on an outer wall and / or inner wall of a melt-carrying channel or in a space of a plant component comprises a container for receiving a liquid and a preferably non-oxidizing carrier gas.
  • a vapor space is formed, in - -
  • the apparatus further comprises a distribution line for distributing the vapor-gas mixture along the
  • the device allows in a simple manner, a uniform distribution of the vapor-gas mixture over the entire circumference of the outer wall and / or inner wall or a space of the
  • Plant component Plant component and thus the generation of a uniform vapor-containing gas atmosphere, in particular when producing a vapor-containing
  • Gas atmosphere on a noble metal-containing outer wall prevents diffusion of dissociated hydrogen ions from the melt through the outer wall, or at least reduced and thus the formation of oxygen bubbles on the inner wall of the melt-conducting channel is significantly reduced. As a result, the products made from the melt have an optimum quality.
  • Gas reservoir can be supplied via a gas supply line in the vapor space of the container.
  • a non-oxidizing noble gas or nitrogen is preferably used as the carrier gas.
  • the liquid may be from a liquid reservoir via a
  • Liquid supply line are filled into the container until reaching a predetermined level.
  • the promotion of the liquid is preferably carried out by means of a pump with a low power.
  • the vapor space in which a vapor of the liquid and the carrier gas mix, is expediently formed above the level.
  • the formation of an optimally dimensioned steam space is dependent on the predetermined level.
  • this has a plurality of openings which are introduced into a wall of the distribution line.
  • the openings are arranged at a distance of, for example, 10 mm to 60 mm, preferably 20 mm to 40 mm from each other.
  • the individual openings each have a diameter of, for example, 2 mm to 5 mm. This is the most uniform possible escape of the vapor-gas mixture from the distribution line possible.
  • An application of the device is provided in a system component, which comprises at least one melt-conducting channel with an outer wall and an inner wall facing the melt and at least one device according to the invention.
  • the plant component is provided for example for the production of glasses, wherein the integration of at least one inventive
  • the outer wall of the melt-carrying channel are provided with a noble metal layer and the inner wall of the melt-leading channel with a refractory material.
  • a noble metal layer is in particular platinum or a
  • Separating layer arranged, which is formed of a porous and / or textile material and thus a passage of the vapor-gas mixture to
  • the distribution line extends in the direction of a longitudinal extent of the melt-leading channel parallel to the outer wall, wherein up to a certain
  • Channel diameter the generation of a vapor-containing gas atmosphere with a one-sided arrangement of one or more distribution lines is sufficient.
  • a two-sided arrangement of one or more distribution lines takes place parallel to the longitudinal extent of the melt-leading channel.
  • the distributor line becomes at least partially circumferential in the outer wall of the melt-conducting channel
  • a heat insulation which is formed of at least an inner heat insulation and an outer heat insulation.
  • Thermal insulation works in conjunction with the current-carrying flanges similar to a housing of the melt-leading channel.
  • the container of the device is in this case at least partially disposed within the outer heat insulation, so that the container in which the liquid is filled and the vapor-gas mixture is generated, at least partially thermally insulated. This can be influenced depending on a position of the container in the outer heat insulation, a liquid temperature in the container and the resulting vapor content in the steam-gas mixture. - -
  • Strom Withsflansches and the inner heat insulation formed a gap.
  • the gap allows the generation of a vapor-containing gas atmosphere on the outer wall in the region of the current-carrying flanges, so that a distribution of the vapor-gas mixture is also possible here.
  • FIG. 1 shows schematically an embodiment of a device for
  • Figure 2 schematically shows a supply and distribution line of the device and a portion of a melt channel leading a
  • FIG. 3 shows schematically an embodiment of a
  • Figure 4 shows schematically a section of a plant component in an alternative embodiment, wherein the distribution line and the feed line of the device are arranged at an angle of not equal to 90 degrees to each other. - -
  • Figure 5 schematically shows a portion of the distribution line
  • FIG. 6 shows a schematic representation of a detail of a ring-shaped distribution line
  • FIG. 7 schematically shows a section of an exemplary embodiment of a system component with a section of a melt-carrying channel with two flow guide flanges and a device
  • FIG. 8 schematically shows a section from another
  • FIG. 9 is a schematic sectional view of the exemplary embodiment of the system component shown in FIG. 9
  • FIG. 10 schematically shows a partial sectional view of a
  • FIG. 1 shows schematically an exemplary embodiment of a device 1 for producing a vapor-containing gas atmosphere on an outer wall 2.1 of a melt-conducting channel 2 of an example shown in FIG
  • the device 1 comprises a container 1.1, which for example
  • the container 1.1 is formed hollow cylindrical and thus has a circular cross-sectional profile.
  • the container 1.1 may alternatively be other suitable
  • the container 1.1 is made of a corrosion-resistant material, preferably made of stainless steel, and provided for receiving a water-containing liquid F and a non-oxidizing carrier gas G.
  • the liquid F is the container 1.1 via a
  • Liquid supply line 1.2 is supplied, which opens laterally into the container 1.1 and which is connected to a liquid container 1.3, in which a predetermined amount of liquid F is located. About one in the
  • Liquid supply line 1.2 arranged pump 1.4, the liquid F is required in the container 1.1.
  • the pump 1.4 is electrically and / or mechanically controllable and / or regulated, so that the liquid F is filled until it reaches a predetermined level P in the container 1.1.
  • the level P is set with a clear height in the container 1.1 between 20% and 70%, so that on the one hand, a minimum amount of the liquid F is not exceeded, to continuously sufficient steam, z.
  • a minimum amount of the liquid F is not exceeded, to continuously sufficient steam, z.
  • steam instead of steam, other vapors or vapor mixtures can be used.
  • water vapor is expedient to avoid formation of oxygen bubbles.
  • Gas supply line 1.5 opens into the vapor space D and given a predetermined - -
  • the gas supply line 1.5 is outside the container 1.1 connected to a gas reservoir 1.6, in which a predetermined amount of the carrier gas G is added. A setting of a desired one
  • Gas flow through the gas supply line 1.5 is effected by means of a arranged in the gas supply line 1.5, controllable and finely adjustable
  • Gas supply 1.7 The flow of the carrier gas G is controlled directly via a flow regulator arranged in the gas feed 1.7.
  • Carrier gas G noble gases, nitrogen or other non-oxidizing, non-flammable and non-toxic gases or mixtures thereof can be used.
  • a volume flow of the carrier gas G is preferably less than 300 l / h, preferably less than 100 l / h at a temperature of 20 ° C and
  • Container 1.1 transported liquid quantity is set to less than 0.25 1 / h under otherwise identical temperature and pressure conditions. These specifications depend on the size of the surface to be wetted of the outer wall 2.1 and a sealing effect of a heat insulation 3 and each relate to a device 1. When increasing the volume flow starting from the pump 1.4, an increase in the liquid temperature in the container 1.1 may be appropriate. This can be achieved by adjusting the position of the device 1 in the region of an external heat insulation 3.1.
  • the carrier gas G enters the vapor space D, it mixes there with a vapor which is formed by heating the liquid F and which is controlled indirectly via the liquid quantity filled in the container 1.1.
  • a vapor-gas mixture DGG By mixing creates a vapor-gas mixture DGG, wherein a percentage of vapor content on the flow rates of the carrier gas G on the one hand and by a supplied by the pump 1.4 liquid F on the other hand, and a temperature of the liquid F in the container 1.1 determined.
  • the resulting vapor-gas mixture DGG is supplied via a arranged above the steam space D feed line 1.8 1.8 shown in Figure 2 distribution line 1.9, wherein a promotion of the steam-gas mixture DGG via the feed line 1.8 by means of the supply of
  • Carrier gas G is controlled in the vapor space D.
  • the distribution line 1.9 and at least a portion of the feed line 1.8 are formed from a thermally highly resilient and corrosion-resistant material due to the prevailing in the melt channel 2 temperatures.
  • a thermally highly resilient and corrosion-resistant material due to the prevailing in the melt channel 2 temperatures.
  • platinum alloys with a suitable creep rupture strength in particular.
  • An inner diameter of the feed line 1.8 and distribution line 1.9 for example, less than 6 mm, preferably less than 4 mm.
  • FIG. 2 shows schematically the feed line 1.8 and the distribution line 1.9 of the device 1 as well as a section of a melt-carrying channel 2 of a system component A.
  • the feed line 1.8 opens vertically into the distributor line 1.9, which extends in the longitudinal direction of the melt leading channel 2 parallel to the outer wall 2.1 and extends over the length of the section shown, wherein the length of the distribution line 1.9 adapts to a length of the section.
  • a length of, for example, one meter is given as the maximum length of the distribution line 1.9.
  • a plurality of distribution lines 1.9 are arranged, which are each part of a device 1, so that a plurality of devices 1 are arranged, as shown by way of example in FIG.
  • the distribution line 1.9 has over its entire length regularly arranged openings (not shown in detail), which in a wall of the - -
  • Distribution line 1.9 are introduced in one of the outer wall 2.1 of the melt-leading channel 2 facing region and through which the vapor-gas mixture DGG can escape to form a vapor-containing gas atmosphere along the outer wall 2.1.
  • the openings are arranged at a distance of, for example, 10 mm to 60 mm, preferably 20 mm to 40 mm from each other. Near the junction of the feed line 1.8 in the
  • the distances between the openings may be larger.
  • the individual openings each have a diameter of, for example, 2 mm to 5 mm.
  • the vapor-gas mixture DGG emerges from the openings as a laminar flow and preferably distributes itself uniformly over the circumference of the outer wall 2.1 and thus generates a gas-containing vapor atmosphere on the outer wall 2.1. If the outer wall 2.1 has corrugations, these support the distribution of the vapor-gas mixture DGG on the outer wall 2.1.
  • the steam-containing gas atmosphere generated along the outer wall 2.1 allows the avoidance or at least reduce the formation of oxygen bubbles on an inner wall 2.2 of the melt-leading channel 2, which is provided with a refractory material and which melt, z. B. a molten glass, facing.
  • a temperature of the melt is, for example, in a range between 1200 ° C and 1700 ° C or partially beyond, where - as already mentioned - hydrogen ions dissociated and over the outer wall 2.1, which with a metal layer, in particular with a layer of platinum or a platinum alloy is allowed to diffuse out.
  • Inner wall 2.2 remains oxygen from the water content of the melt and forms this undesirable air bubbles.
  • the distribution line 1.9 is arranged at a small distance from the outer wall 2.1 between it and an inner heat insulation 3.2.
  • the inner heat insulation 3.2 surrounds the outer wall 2.1 annular and seals so the melt-leading channel 2 at least thermally to the outside.
  • the inner heat insulation 3.2 usually has a lower insulation than the outer heat insulation 3.1.
  • a gas-permeable separating layer 1.10 is arranged, which is formed by a thin, refractory and gas-permeable material.
  • a material here are z.
  • a ceramic fiber mat As a ceramic fiber mat, a textile or other fiber composites. Also conceivable are porous and refractory materials which prevent direct contact between the distribution line 1.9 and the outer wall 2.1.
  • a maximum layer thickness of the release layer 1.10 is specified as 20 mm.
  • FIG. 10 shows by way of example the
  • the high gas permeability of the separating layer 1.10 compared to the internal thermal insulation 3.2 enables optimum alignment of the laminar flow of the vapor-gas mixture DGG and thus complete wetting of the outer wall 2.1 with the vapor-gas mixture DGG.
  • the inner heat insulation 3.2 acts similar to a housing for channeling the steam-gas mixture DGG to the outer wall 2.1 of the melt leading channel second - -
  • Impurities that can damage the outer wall 2.1 include impurities consisting of carbon, sulfur, silicon, boron,
  • FIG 3 shows schematically an embodiment of a plant component A with a melt-carrying channel 2 and a plurality of devices 1.
  • the plant component A is generally for use in chemical
  • the melt-carrying channel 2 is subdivided into several sections, each section forming an assembly Bl to B4 of the system component A and each module Bl to B4 is associated with at least one device 1.
  • a first assembly Bl is supplied from an unillustrated smelting unit to an inorganic, nonmetallic melt.
  • the first assembly Bl serves for the thermal influence of the supplied melt and is provided with a
  • a second assembly B2 represents a so-called lauter cell, in which a refining and degassing of the inorganic, non-metallic melt at a high temperature and a reduced flow rate of the
  • first assembly Bl greater length of the melt leading channel 2, z. B. a length of 2 m, for example, two devices 1, each with a
  • Distribution line 1.9 provided, with a respective length of the
  • Distribution lines 1.9 preferably not greater than 1 m. In general, it can be said that, starting from a length of the melt-guiding channel 2 of greater than 0.8 m, a plurality of devices 1 are provided.
  • a third assembly B3 represents a cooling tube and serves a controlled cooling of the inorganic, non-metallic melt except one
  • melt-leading channel 2 is very long compared to the first assembly Bl, two devices 1 are also provided here.
  • a fourth assembly B4 provides a so-called feeder head with a
  • Dosing device B4.1 for example, as a drop feeder for a
  • Blowing machine or as a pressing machine for shaping the inorganic, non-metallic melt or as a feeder head for a pipeline, z. B. a Danner tube, is formed.
  • melt-carrying channel 2 runs vertically and thus perpendicular to the melt leading channel 2 of above the metering device B4.1 arranged portion of the fourth module 4 and the other modules Bl to B3.
  • three devices 1 are assigned to the fourth module B4, only one of which is shown in the present exemplary embodiment.
  • the other devices 1 are shown in Figure 8 and are associated with the feed head.
  • the distribution line 1.9 surrounds the outer wall 2.1 of the vertically extending portion of the melt-leading channel 2 annularly, wherein the supply of the vapor-gas mixture DGG here also via openings in the - -
  • Distribution line 1.9 is supplied by a separating layer 1.10 of the outer wall 2.1. A section of such a distribution line 1.9 is shown in FIG.
  • the vertically extending portion of the melt-guiding channel 2 is longer than shown in the embodiment, then a plurality of devices 1 is provided, wherein the individual distribution lines 1.9 are arranged at a distance of 500 mm from each other.
  • each module Bl to B4 and thus each section of the melt leading channel 2 at least two Strom enclosuresflansche 2.3, which are not shown in the present embodiment for reasons of clarity.
  • these current-carrying flanges 2.3 are shown schematically in FIGS. 7 and 8 by way of example.
  • the assemblies Bl to B4 are surrounded by the heat insulation 3, which consists of the inner heat insulation 3.2 and the outer
  • Heat insulation 3.1 is formed, wherein for reasons of clarity, only the heat insulation 3 is shown here.
  • the heat insulation 3 may alternatively consist of more layers.
  • Assemblies Bl to B4 arranged thermal insulation 3.1, 3.2 together with the Strom Equipmentsflanschen 2.3 similar to a housing the access of outside air to the outer wall 2.1 at least greatly hindered or completely prevented.
  • the assemblies Bl to B4 are hereby exemplary special embodiments of the system component A, without excluding other variants of modules, as they are known in chemical technology. - -
  • Decisive for the application of the device 1 according to the invention is formed from a noble metal, in particular platinum or platinum alloys outer wall 2.1 of the melt-leading channel 2, which leads the inorganic, non-metallic melt and a need for the outer wall 2.1 of the melt leading channel 2 or in a Chamber of the plant component A to provide a vapor-containing gas atmosphere.
  • a noble metal in particular platinum or platinum alloys outer wall 2.1 of the melt-leading channel 2 which leads the inorganic, non-metallic melt and a need for the outer wall 2.1 of the melt leading channel 2 or in a Chamber of the plant component A to provide a vapor-containing gas atmosphere.
  • the steam-gas mixture DGG to be fed to the outer wall 2.1 is selected in such a way that no reducing conditions occur on the outer wall 2. 1 containing the platinum
  • Outer wall 2.1 can damage by unwanted alloying.
  • Figure 4 shows schematically a section of a system component A, wherein the distribution line 1.9 and the feed line 1.8 are arranged at an angle of not equal to 90 degrees to each other.
  • the distribution line 1.9 runs parallel to the longitudinal direction of the melt leading channel. 2
  • Distribution line 1.9 and the feed line 1.8 is selected such that the distribution line 1.9 at a distance of only 10 mm to 20 mm parallel to
  • a release layer 1.10 (not shown here) arranged.
  • Figure 5 shows an arrangement of the distribution line 1.9 and the feed line 1.8 similar to the embodiment shown in Figure 4, wherein the
  • Distribution line 1.9 and the feed line 1.8 are shown isolated. - -
  • FIG. 6 shows a schematic illustration of a detail of a ring-shaped distribution line 1.9, as shown in FIG.
  • Dosing device B4.1 is shown.
  • Distribution lines 1.9 or enclosed by an annular distribution line 1.9 are enclosed by an annular distribution line 1.9.
  • Figure 7 shows a section of an embodiment of a
  • Plant component A with a portion of a melt-leading channel 2 with two Strom.flanschen 2.3, a the outer wall 2.1 of the melt leading channel 2 surrounding inner heat insulation 3.2, the inner heat insulation 3.2 surrounding outer heat insulation 3.1 and a
  • Heat insulation 3.2 is arranged.
  • the device 1 is partially arranged in the outer heat insulation 3.1, so that a liquid temperature in the container 1.1 is reached between 5 K to 60 K below a boiling point.
  • a suitable fixed value between 40 ° C and 95 ° C can be selected to adjust the vapor stream taking into account the carrier gas flow and the amount of liquid delivered.
  • the device 1 is arranged in such a way in the outer heat insulation 3.1, that a vaporized amount of liquid per unit time is less than 0.1 1 / h.
  • the adjustment of the amount of liquid per unit time is also taking into account the volume flow of the carrier gas G.
  • a minimum strength of the volume flow of the carrier gas G is required to be able to transport enough steam.
  • a particularly high vapor content in the vapor-gas mixture DGG is advantageous because it reliably prevents the diffusion of hydrogen through the outer wall 2.1 to the outside - -
  • the Strom arrangementsflansche 2.3 serve to hinder the outflow of the vapor-gas mixture DGG from the area near the outer wall 2.1 to the outside.
  • the heat insulation 3, in particular the inner heat insulation 3.2 is brought very close to the respective Strom.sflansch 2.3 and acts as a not completely sealing housing.
  • a small gap between the inner heat insulation 3.2 and the Strom Equipmentsflanschen 2.3 is not completely avoidable anyway in a tempering of the system component A.
  • One end of the distribution line 1.9 is in each case arranged at least 10 mm to 20 mm in front of an inner end face of the current-carrying flange 2.3, as shown in FIG.
  • a non-oxidizing carrier gas G such as. As noble gas or nitrogen, may result as a result of the displacement of the atmospheric oxygen as a side effect a reduction of platinum losses on the outer wall 2.1. These losses are higher, the higher the temperature of the outer wall is 2.1.
  • Figure 8 shows the embodiment of the system component A analogous to Figure 7 with the difference that here the device 1, in particular the container 1.1 is further arranged within the outer heat insulation 3.1.
  • Liquid temperature in container 1.1 and thus to take the proportion of steam in the vapor-gas mixture DGG.
  • Liquid temperature in the container 1.1 Liquid temperature in the container 1.1.
  • an ambient temperature and ambient flow can be changed, which also have an influence on the liquid temperature in the container 1.1.
  • FIG. 9 shows a section, in particular a cross section through the fourth assembly B4 according to FIG. 3 in the region of the feeder head.
  • a distribution line 1.9 is arranged to ensure the most complete possible wetting of the outer wall 2.1 with the vapor-gas mixture DGG. - -
  • the thermal insulation 3 in this case comprises an additional average heat insulation 3.3, which is arranged between the inner heat insulation 3.2 and the outer heat insulation 3.1.
  • FIG. 10 shows a detail of a melt-carrying channel 2 with a distribution line 1.9 and a gas-permeable channel
  • Separating layer 1.10 Shown are in particular a lower half of the melt-leading channel 2, the inner heat insulation 3.2, the distribution line 1.9 between the outer wall 2.1 and the inner heat insulation 3.2 and the gas-permeable separating layer 1.10.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Accessories For Mixers (AREA)

Abstract

L'invention concerne un dispositif (1) destiné à générer une atmosphère gazeuse contenant de la vapeur sur une paroi extérieure (2.1) et/ou une paroi intérieure (2.2) d'un conduit (2) de guidage de matière en fusion ou dans un espace d'un composant d'installation (A) comprenant - un récipient (1.1) destiné à recevoir un liquide (F) et un gaz support (G), le récipient (1.1) renfermant un espace de vapeur (D) dans lequel le gaz support (G) peut être mélangé à une vapeur-liquide pour former un mélange gaz-vapeur (DGG), et - au moins un conduit de distribution (1.9) destiné à distribuer le mélange gaz-vapeur (DGG) le long de la paroi extérieure (2.1) et/ou de la paroi intérieure (2.2) ou dans l'espace du composant d'installation (A).
PCT/EP2015/073578 2015-10-12 2015-10-12 Dispositif de génération d'une atmosphère gazeuse contenant de la vapeur et composant d'installation comportant d'un tel dispositif WO2017063666A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2015/073578 WO2017063666A1 (fr) 2015-10-12 2015-10-12 Dispositif de génération d'une atmosphère gazeuse contenant de la vapeur et composant d'installation comportant d'un tel dispositif
JP2018537715A JP6638076B2 (ja) 2015-10-12 2015-10-12 蒸気含有ガス雰囲気を生成するための装置、およびそのような装置を含むシステム構成要素

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PCT/EP2015/073578 WO2017063666A1 (fr) 2015-10-12 2015-10-12 Dispositif de génération d'une atmosphère gazeuse contenant de la vapeur et composant d'installation comportant d'un tel dispositif

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Cited By (1)

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CN114873905A (zh) * 2022-05-30 2022-08-09 彩虹显示器件股份有限公司 一种用于基板玻璃通道升温膨胀管理装置及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7159972B2 (ja) * 2019-05-22 2022-10-25 Ａｇｃ株式会社 溶融ガラス搬送装置、ガラス製造装置及びガラス製造方法

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