Vacuum degassing apparatus for molten glass
    1.
    发明授权
    Vacuum degassing apparatus for molten glass 有权
    熔融玻璃真空脱气装置

    公开(公告)号:US07650764B2

    公开(公告)日:2010-01-26

    申请号:US11086233

    申请日:2005-03-23

    IPC分类号: C03B5/16

    CPC分类号: C03B5/2252 C03B5/205

    摘要: A vacuum degassing apparatus for molten glass includes a vacuum housing which is evacuated to be depressurized therein; a vacuum degassing vessel which is provided in the vacuum housing to vacuum-degas molten glass as the molten glass flows therein; an uprising pipe which connects to the vacuum degassing vessel, and sucks and draws up undegassed molten glass to introduce the undegassed molten glass into the vacuum degassing vessel; and a downfalling pipe which connects to the vacuum degassing vessel and draws down the degassed molten glass from the vacuum degassing vessel to discharge the degassed molten glass. The cross sectional area of the path at the upper end portion of the uprising pipe is larger than the cross sectional area of the path at the lower end portion of the uprising pipe.

    摘要翻译: 用于熔融玻璃的真空脱气装置包括抽真空以在其中减压的真空外壳; 真空脱气容器,其设置在所述真空壳体中以随着所述熔融玻璃流入其中而对熔融玻璃进行真空脱气; 连接到真空脱气容器的起立管,并且抽吸并抽取未脱气的熔融玻璃以将未脱气的熔融玻璃引入真空脱气容器中; 以及连接到真空脱气容器并且从真空脱气容器排出脱气的熔融玻璃以排出脱气的熔融玻璃的下降管。 上升管的上端部的路径的截面积大于上升管的下端部的路径的截面积。

    Vacuum degassing apparatus for molten glass
    2.
    发明授权
    Vacuum degassing apparatus for molten glass 有权
    熔融玻璃真空脱气装置

    公开(公告)号:US07007514B2

    公开(公告)日:2006-03-07

    申请号:US10256014

    申请日:2002-09-27

    IPC分类号: C03B5/225

    CPC分类号: C03B5/2252 C03B5/205

    摘要: A vacuum degassing apparatus for molten glass includes a vacuum housing which is evacuated to be depressurized therein; a vacuum degassing vessel which is provided in the vacuum housing to vacuum-degas molten glass as the molten glass flows therein; an uprising pipe which connects to the vacuum degassing vessel, and sucks and draws up undegassed molten glass to introduce the undegassed molten glass into the vacuum degassing vessel; and a downfalling pipe which connects to the vacuum degassing vessel and draws down the degassed molten glass from the vacuum degassing vessel to discharge the degassed molten glass. The cross sectional area of the path at the upper end portion of the uprising pipe is larger than the cross sectional area of the path at the lower end portion of the uprising pipe.

    摘要翻译: 用于熔融玻璃的真空脱气装置包括抽真空以在其中减压的真空壳体; 真空脱气容器,其设置在所述真空壳体中以随着所述熔融玻璃流入其中而对熔融玻璃进行真空脱气; 连接到真空脱气容器的起立管,并且抽吸并抽取未脱气的熔融玻璃以将未脱气的熔融玻璃引入真空脱气容器中; 以及连接到真空脱气容器并且从真空脱气容器排出脱气的熔融玻璃以排出脱气的熔融玻璃的下降管。 上升管的上端部的路径的截面积大于上升管的下端部的路径的截面积。

    Vacuum degassing apparatus for molten glass
    3.
    发明申请
    Vacuum degassing apparatus for molten glass 有权
    熔融玻璃真空脱气装置

    公开(公告)号:US20050160769A1

    公开(公告)日:2005-07-28

    申请号:US11086233

    申请日:2005-03-23

    IPC分类号: C03B5/20 C03B5/225 C03B5/16

    CPC分类号: C03B5/2252 C03B5/205

    摘要: A vacuum degassing apparatus for molten glass, comprising: a vacuum housing which is evacuated to be depressurized therein; a vacuum degassing vessel which is provided in the vacuum housing to vacuum-degas molten glass as the molten glass flows therein; an uprising pipe which connects to the vacuum degassing vessel, and sucks and draws up undegassed molten glass to introduce the undegassed molten glass into the vacuum degassing vessel; and a downfalling pipe which connects to the vacuum degassing vessel and draws down the degassed molten glass from the vacuum degassing vessel to discharge the degassed molten glass; wherein the cross sectional area of the path at the upper end portion of said uprising pipe is larger than the cross sectional area of the path at the lower end portion of said uprising pipe.

    摘要翻译: 一种用于熔融玻璃的真空脱气装置,包括:抽真空以在其中减压的真空壳体; 真空脱气容器,其设置在所述真空壳体中以随着所述熔融玻璃流入其中而对熔融玻璃进行真空脱气; 连接到真空脱气容器的起立管,并且抽吸并抽取未脱气的熔融玻璃以将未脱气的熔融玻璃引入真空脱气容器中; 以及连接到真空脱气容器并且从真空脱气容器中抽出脱气的熔融玻璃以排出脱气的熔融玻璃的下降管; 其特征在于,所述上升管的上端部的通路的截面积大于所述上升管的下端部的路径的截面积。

    Vacuum degassing apparatus for molten glass
    4.
    发明授权
    Vacuum degassing apparatus for molten glass 失效
    熔融玻璃真空脱气装置

    公开(公告)号:US06948338B2

    公开(公告)日:2005-09-27

    申请号:US10241639

    申请日:2002-09-12

    IPC分类号: C03B5/225

    CPC分类号: C03B5/2252

    摘要: A vacuum degassing apparatus for molten glass includes a vacuum housing; a vacuum degassing vessel provided in the vacuum housing; an uprising pipe which connects to the vacuum degassing vessel; and a downfalling pipe which connects to the vacuum degassing vessel. The vacuum housing has an accommodating portion to accommodate the uprising pipe and an accommodating portion to accommodate the downfalling pipe, at least one of which is divided horizontally into a plurality of sections to form a plurality of divided rooms juxtaposed in the vertical direction, and the respective divided rooms are provided with a pressure controller to control the pressures of the respective divided rooms independently.

    摘要翻译: 一种用于熔融玻璃的真空脱气装置包括一真空壳体; 设置在真空壳体中的真空脱气容器; 连接到真空脱气容器的起升管; 以及连接到真空脱气容器的下降管。 真空壳体具有用于容纳上升管的容纳部分和用于容纳下降管的容纳部分,其中至少一个水平分割成多个部分,以形成沿垂直方向并列的多个分隔室, 各分室设有压力控制器,以独立地控制各分室的压力。

    Process for producing a glass for cathode ray tubes
    5.
    发明授权
    Process for producing a glass for cathode ray tubes 失效
    阴极射线管用玻璃的制造方法

    公开(公告)号:US07000432B2

    公开(公告)日:2006-02-21

    申请号:US10091402

    申请日:2002-03-07

    IPC分类号: C03B5/16

    摘要: A process for producing a glass for cathode ray tubes, having a Sb2O3 content of from 0 to 0.19% as represented by mass percentage and containing H2O, which process comprises a step of melting a raw material in an atmosphere under a pressure of P0 to obtain a molten glass, and a step of vacuum degassing the molten glass in an atmosphere under a pressure PA which is lower than P0, wherein the pressure P of the molten glass is made to be at most (6.1 W+0.06) atm in the vacuum degassing step, wherein W is the content of said H2O as represented by mass percentage.

    摘要翻译: 一种用于制造阴极射线管玻璃的方法,其具有0至0.19%的Sb 2 O 3含量,以质量百分比表示并含有H 2 该方法包括在空气中在P 0 O 0的压力下熔化原料以获得熔融玻璃的步骤,以及在气氛中对熔融玻璃进行真空脱气的步骤 在低于P <0> 0的压力下,在真空中使熔融玻璃的压力P至多为(6.1W + 0.06)atm 脱气步骤,其中W是以质量百分比表示的所述H 2 O 2的含量。

    CONDUIT STRUCTURE FOR MOLTEN GLASS AND VACUUM DEGASSING APPARATUS USING THE CONDUIT STRUCTURE
    6.
    发明申请
    CONDUIT STRUCTURE FOR MOLTEN GLASS AND VACUUM DEGASSING APPARATUS USING THE CONDUIT STRUCTURE 有权
    使用导管结构的玻璃和真空脱水装置的导管结构

    公开(公告)号:US20090165501A1

    公开(公告)日:2009-07-02

    申请号:US12393347

    申请日:2009-02-26

    IPC分类号: C03B5/00 C03B5/43 C03B5/225

    摘要: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.A conduit structure for molten glass, which is formed of a hollow pipe made of platinum or a platinum alloy, includes a double-pipe structure disposed in at least a downstream portion of the conduit structure, the double-pipe structure being formed of an inner pipe and an outer pipe; the inner pipe having an upstream end and a downstream end formed as open ends; the outer pipe having a downstream end formed as a closed end in a region located in a gap between the inner pipe and the outer pipe and as an open end in a region located in the inner pipe in the double-pipe structure; the conduit structure having an upstream end formed as an open end; and the outer pipe having an opening formed in a portion close to the downstream end thereof.

    摘要翻译: 用于熔融玻璃的管道结构,用于熔融玻璃的管道系统,真空脱气装置和使用真空脱气装置对熔融玻璃进行真空脱气的方法,其能够有效地除去从形成导管的耐火砖洗脱的组分 对于熔融玻璃,在熔融玻璃和形成熔融玻璃导管的铂壁表面之间的界面中产生的异物,残留在熔融玻璃的表面层中的气泡,通过挥发变性的玻璃材料等。 由铂或铂合金制成的中空管形成的熔融玻璃导管结构包括设置在导管结构的至少下游部分中的双管结构,双管结构由内层 管和外管; 内管具有形成为开口端的上游端和下游端; 所述外管的下游端形成为位于所述内管和所述外管之间的间隙中的区域中的封闭端,并且在所述双管结构中位于所述内管中的区域中的开口端; 导管结构具有形成为开口端的上游端; 并且外管具有形成在靠近其下游端的部分中的开口。

    Conduit structure for molten glass and vacuum degassing apparatus using the conduit structure
    7.
    发明授权
    Conduit structure for molten glass and vacuum degassing apparatus using the conduit structure 有权
    用于熔融玻璃的导管结构和使用导管结构的真空脱气装置

    公开(公告)号:US08136373B2

    公开(公告)日:2012-03-20

    申请号:US12393347

    申请日:2009-02-26

    IPC分类号: C03B5/20

    摘要: A conduit structure for molten glass, a conduit system for molten glass, a vacuum degassing apparatus and a method for vacuum-degassing molten glass by use of the vacuum degassing apparatus, which are capable of effectively removing components eluted from a refractory brick forming a conduit for molten glass, foreign substances generated in the interface between molten glass and a platinum wall surface forming a conduit for molten glass, a bubble remaining in a surface layer of molten glass, a glass material denatured by volatilization, and the like, are provided.A conduit structure for molten glass, which is formed of a hollow pipe made of platinum or a platinum alloy, includes a double-pipe structure disposed in at least a downstream portion of the conduit structure, the double-pipe structure being formed of an inner pipe and an outer pipe; the inner pipe having an upstream end and a downstream end formed as open ends; the outer pipe having a downstream end formed as a closed end in a region located in a gap between the inner pipe and the outer pipe and as an open end in a region located in the inner pipe in the double-pipe structure; the conduit structure having an upstream end formed as an open end; and the outer pipe having an opening formed in a portion close to the downstream end thereof.

    摘要翻译: 用于熔融玻璃的管道结构,用于熔融玻璃的管道系统,真空脱气装置和使用真空脱气装置对熔融玻璃进行真空脱气的方法,其能够有效地除去从形成导管的耐火砖洗脱的组分 对于熔融玻璃,在熔融玻璃和形成熔融玻璃导管的铂壁表面之间的界面中产生的异物,残留在熔融玻璃的表面层中的气泡,通过挥发变性的玻璃材料等。 由铂或铂合金制成的中空管形成的熔融玻璃导管结构包括设置在导管结构的至少下游部分中的双管结构,双管结构由内层 管和外管; 内管具有形成为开口端的上游端和下游端; 所述外管的下游端形成为位于所述内管和所述外管之间的间隙中的区域中的封闭端,并且在所述双管结构中位于所述内管中的区域中的开口端; 导管结构具有形成为开口端的上游端; 并且外管具有形成在靠近其下游端的部分中的开口。

    Vacuum degassing apparatus, apparatus for producing glass products and process for producing glass products
    8.
    发明授权
    Vacuum degassing apparatus, apparatus for producing glass products and process for producing glass products 有权
    真空除气装置,玻璃制品的制造装置及玻璃制品的制造方法

    公开(公告)号:US08720229B2

    公开(公告)日:2014-05-13

    申请号:US12895930

    申请日:2010-10-01

    IPC分类号: C03B5/225

    CPC分类号: C03B5/2252 C03B5/2257

    摘要: A vacuum degassing apparatus having a throughput of at least 200 tons/day without causing problems such as a stagnation of molten glass flow in the molten glass flow path, an increment of flow rate of the molten glass flow in a local area, an excessive increment of pressure loss of the molten glass flow.A vacuum degassing apparatus comprises a vacuum degassing vessel, and an uprising pipe and a downfalling pipe which are connected with the vacuum degassing vessel, wherein the vacuum degassing vessel includes a wide portion for providing a molten glass flow path, and in the wide portion, the proportion W1/L1 of the breadth of molten glass flow path W1 to the length of molten glass flow path L1 is at least 0.2 and that in the vacuum degassing vessel, the breadth of molten glass flow path W2 of the portion connected with the uprising pipe and the breadth of molten glass flow path W3 of the portion connected with the downfalling pipe are narrower than the breadth of molten glass flow path W1 in the wide portion, and the position of the bottom of molten glass flow path of the portion connected with the uprising pipe and the position of the bottom of molten glass flow path of the portion connected with the downfalling pipe are lower than the position of the bottom of molten glass flow path of the wide portion.

    摘要翻译: 具有至少200吨/天的生产量的真空脱气装置,不会引起熔融玻璃流道中的熔融玻璃流停滞,局部熔融玻璃流量的增加,过度增量 的熔融玻璃流的压力损失。 真空脱气装置包括真空脱气容器,与真空脱气容器连接的上升管和下降管,其中真空脱气容器包括用于提供熔融玻璃流动路径的宽部分,并且在宽部分中, 熔融玻璃流路W1的宽度与熔融玻璃流路L1的长度的比例W1 / L1为至少0.2,而在真空脱气槽中,与上升部分连接的部分的熔融玻璃流路W2的宽度 管道和与下降管连接的部分的熔融玻璃流动路径W3的宽度比宽部分中的熔融玻璃流动路径W1的宽度窄,并且该部分的熔融玻璃流动路径的底部位置与 上升管和与下降管连接的部分的熔融玻璃流动路径的底部的位置低于熔融玻璃流动路径的底部的位置 的广泛部分。