CN2444946Y - 管道式双层电加热供料道 - Google Patents

管道式双层电加热供料道 Download PDF

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CN2444946Y
CN2444946Y CN00247582U CN00247582U CN2444946Y CN 2444946 Y CN2444946 Y CN 2444946Y CN 00247582 U CN00247582 U CN 00247582U CN 00247582 U CN00247582 U CN 00247582U CN 2444946 Y CN2444946 Y CN 2444946Y
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molybdenum electrode
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孙博明
李学君
郭松玲
惠荣启
付其伟
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract

本实用新型属于流体加热器的技术领域。这种管道式双层电加热供料道,包括料槽,在料槽上盖有一盖板,在料槽两侧设有加热硅碳管,在盖板上有穿过盖板插入料槽的钼电极,套在钼电极上的套管,放在套管内的绝热粉。这种管道式双层电加热供料道,玻璃液的成份不发生变化,料液无浪费,硅碳管寿命长。钼电极通过盖板插入玻璃液,电极和套管间添入绝缘微粉使高温钼电极与空气隔离,而不需水冷却,因此玻璃液温度均匀,无热能损失。

Description

管道式双层电加热供料道
本实用新型属于流体加热器的技术领域。
目前用于生产高硼玻璃制品的全电加热供料道,同时使用辐射式和埋入式两种电加热方式,辐射式是使用硅碳管在玻璃液上部空间加热,埋入式则是钼电极从料槽侧部插入玻璃液,辐射式硅碳管和玻璃液在同一空间,高硼玻璃液表层中的硼化物挥发严重,对硅碳管的寿命有极大的影响,且玻璃液表层的硼化物挥发后,表层玻璃液的成份发生变化,必须采取溢流的方法消除,造成极大的浪费。而埋入式则钼电极隔离空气的密封技术难度大,一般采用水冷却,造成热能损失及玻璃液温度不均匀。
本实用新型的目的是提供一种玻璃液中硼化物不挥发、硅碳管寿命长、电极隔绝空气容易、玻璃液温度均匀且无热能损失的管道式双层电加热供料道。
这种管道式双层电加热供料道,包括料槽,在料槽上盖有一盖板,在料槽两侧设有加热硅碳管,在盖板上有穿过盖板插入料槽的电极,套在电极上的套管,放在套管内的绝热粉。
由于料槽上盖有一盖板,料槽内的玻璃液是满的,硅碳管和玻璃液不在同一空间内,硅碳管是通过加热料槽加热玻璃液的,玻璃液内硼化物不挥发,玻璃液的成份不发生变化,因此料液无浪费,硅碳管寿命长。钼电极通过盖板插入玻璃液,只需在盖板外的电极和套管之间添入绝缘微粉即可使高温电极与空气隔离,而不需水冷却,因此玻璃液温度均匀,无热能损失。
附图示出了本实用新型的实施例,其中:
图1所示为管道式双层电加热供料道的正视图;
图2所示为沿图1所示A-A线的剖视图;
图3所示为沿图1所示B-B线的剖视图;
图4所示为沿图1所示C-C线的局剖图;
如图所示的管道式双层电加热供料道,包括料槽1,在料槽1上盖有一盖板2,盖板2呈凸字型,在料槽1两侧设有加热硅碳管3,在料槽1和盖板2的周边设有加热腔7,加热硅碳管3即放在料槽2两侧的腔7内。加热腔7是料槽1与其周边的保温层之间形成的。在盖板2上有穿过盖板2插入料槽1的电极6,套在电极6上的套管5,放在套管5内的绝热粉4。电极6为钼电极,套管5只套在盖板2以上部分的钼电极上。由于硅碳管是通过加热腔加热料槽和盖板来加热料槽内的玻璃液的,而盖在料槽上的凸形盖板又侵入玻璃液中,使得玻璃液中的硼化物不能挥发,即构不成对硅碳管的侵蚀,又延长了硅碳管的使用寿命,表层玻璃液的成份还没有改变,从而不需要将表层玻璃液通过溢流的方式除掉,从而减少了浪费,提高了成品率。用绝热粉填充在套管和钼电极之间,既隔热又隔绝了空气对钼电极的氧化,不用水冷却,减少了热量的损失,且玻璃液温度均匀。

Claims (3)

1、一种管道式双层电加热供料道,包括料槽(1),其特征是在料槽(1)上盖有一盖板(2),在料槽(1)两侧设有加热硅碳管(3),在盖板(2)上有穿过盖板(2)插入料槽(1)的电极(6),套在电极(6)上的套管(5),放在套管(5)内的绝热粉(4)。
2、根据权利要求1所述的管道式双层电加热供料道,其特征是盖板(2)呈凸字型。
3、根据权利要求1所述的管道式双层电加热供料道,其特征是在料槽(1)和盖板(2)的周边设有加热腔(7),加热硅碳管(3)即放在料槽(2)两侧的腔(7)内。
CN00247582U 2000-09-14 2000-09-14 管道式双层电加热供料道 Expired - Fee Related CN2444946Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101354181B (zh) * 2007-07-24 2010-10-13 张敬平 一种电加热器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101354181B (zh) * 2007-07-24 2010-10-13 张敬平 一种电加热器

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