CN101107201A - 受调节的火焰的埋置燃烧器 - Google Patents

受调节的火焰的埋置燃烧器 Download PDF

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CN101107201A
CN101107201A CNA2006800031323A CN200680003132A CN101107201A CN 101107201 A CN101107201 A CN 101107201A CN A2006800031323 A CNA2006800031323 A CN A2006800031323A CN 200680003132 A CN200680003132 A CN 200680003132A CN 101107201 A CN101107201 A CN 101107201A
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CN101107201B (zh
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B·帕尔米里
F·洛佩普
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Saint Gobain Isover SA France
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
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    • 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
    • C03B5/235—Heating the glass
    • 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
    • C03B5/235—Heating the glass
    • C03B5/2356—Submerged heating, e.g. by using heat pipes, hot gas or submerged combustion burners
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00—Charging the melting furnaces
    • C03B3/02—Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • C03B3/023—Preheating
    • 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
    • C03B5/12—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in shaft furnaces
    • 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
    • C03B5/18—Stirring devices; Homogenisation
    • C03B5/193—Stirring devices; Homogenisation using gas, e.g. bubblers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/20—Submerged gas heating
    • C03B2211/22—Submerged gas heating by direct combustion in the melt
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/20—Submerged gas heating
    • C03B2211/22—Submerged gas heating by direct combustion in the melt
    • C03B2211/23—Submerged gas heating by direct combustion in the melt using oxygen, i.e. pure oxygen or oxygen-enriched air
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/20—Submerged gas heating
    • C03B2211/24—Submerged gas heating by direct contact of non-combusting hot gas in the melt
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2211/00—Heating processes for glass melting in glass melting furnaces
    • C03B2211/30—Heating processes for glass melting in glass melting furnaces introducing oxygen into the glass melting furnace separately from the fuel
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Surface Treatment Of Glass (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Gas Burners (AREA)

Abstract

本发明涉及通过至少一个在熔融的可玻璃化的材料中心产生火焰的埋置的燃烧器(9)熔化可玻璃化的材料，其特征在于，至少一个与燃烧器分离的至少一个燃气入口(10)足够靠近所述燃烧器(9)以便与所述火焰相互作用。分离的入口(10)与燃烧器(9)的火焰相互作用以便对它进行调节，从而降低熔化材料返回到燃烧器(9)中的危险。

Description

受调节的火焰的埋置燃烧器
本发明涉及一种包括燃烧器的装置，特别适合于导致进入硅基玻璃的可玻璃化材料的熔化，更具体地说，用作埋置燃烧器，即它的火焰在熔化材料内部发展。
所述埋置的燃烧器具有许多用于熔化玻璃的优点，特别是因为它们在熔化的材料中直接产生熔化能量，从而使它们非常有效(最少的能量损失)，此外还因为它们猛烈地搅拌待转化的材料，从而还增加了熔化的效率。用于熔化玻璃的埋置的燃烧器的应用被特别描述在WO9935099、WO9937591、WO0046161、WO03031357、WO03045859中。
在运转中，还可以发生所述熔化材料或者正在转化的材料再次进入到燃烧器中，从而导致其熄灭。这样的事故显著影响了整个熔化方法的进行，人们试图尽可能避免它。本申请人已经发现了一种避免这样的事故的装置。根据本发明，围绕所述燃烧器设置了一些气体附加入口。所述附加入口本身一般并不是一些燃烧器，相反而是可以导致燃烧器的燃烧，特别是当其中一个附加入口带来了氧化气体。
本申请人已经发现埋置的燃烧器的火焰可以类似于一种气泡，它随着时间与燃烧器脱开，一般频率为30-300次/分钟。这种性能，通过测量燃烧器供应的流体(例如气体)压力而被发现。事实上发现了一些中断，所述中断具有相当均匀的频率。不用联系下面的理论，可玻璃化材料能够倾向于在气泡脱离燃烧器之后回到燃烧器中。根据本发明，至少一个靠近燃烧器的气体入口有利于气泡的脱离的均匀化和显著降低可玻璃化材料返回到燃烧器中的频率。所述气体入口类似于气泡脱开的调节器。
该燃烧器由相互作用的助燃剂和燃料供应，从而建立了火焰。该助燃剂可以包括氧气并且特别是纯氧气，空气或者富含氧气的空气。该燃料可以特别是天然气，甲烷，丁烷，丙烷。助燃剂和燃料大致对中地进入到燃烧器中并且大致在刚好位于燃烧器出口前的腔室中混合。
对燃烧器供应液化燃料是可能的。
本发明涉及通过至少一个在可玻璃化的材料中产生火焰的埋置燃烧器熔化可玻璃化材料的方法和装置，燃烧器的至少一个分开的气体入口足够靠近所述燃烧器，以便与所述火焰相互作用。相对燃烧器的附加气体入口可以大致具有和燃烧器方向相同的方向，即该附加入口的气体可以具有平行于供应燃烧器的助燃剂和燃料的方向。然而，最好，该附加入口的气体被引向燃烧器的气体出口。在分开的气体入口轴线和燃烧器的轴线之间的交点与燃烧器出口之间的距离可以例如为0-无穷大(平行流量)，并且最好达到0-15厘米。分开的气体入口必须与燃烧器间隔的距离取决于环境、流量、温度等，从而很难给出用于该距离的精确的等式。重要的是该气体入口必须充分靠近燃烧器以便与燃烧器的火焰相互作用，即影响其形状或者靠近火焰的流体流量，从而有利于作为气泡的火焰脱离燃烧器。总体上，气体的分开的入口可以至少距燃烧器50厘米。
供应分开的入口的气体可以包括氧气或者氮气或者空气。可以导致燃烧器燃烧，特别是如果包括诸如氧气的氧化气体。在这种情况下，它是附加的助燃剂源。
总体上，分别进入的燃气体积流量，通过一个或者多个分开的入口总共(所有的分开的入口的流量总和)为2-20％，最好5-10％的供应燃烧器的气体主燃剂和气体燃料(燃烧器的供应流体是气体的情况)标准体积流量的总和(标准体积：在温度和压力的标准情况下达到)。总体上，气体助燃剂和气体燃料的标准体积流量的总和为0.5Nm3/h-150Nm3/h。
最好对于每个燃烧器，设置至少两个分开的气体入口，用于影响火焰的气泡离开燃烧器。最好，对于每个燃烧器来说，设置至少两个分开的气体入口，用于影响火焰的气泡离开该燃烧器。每个燃烧器4个甚至5个分开的入口(甚至更多)也是可以的。
本发明还涉及一种通过至少一个埋置的燃烧器熔化可玻璃化的材料的方法，该燃烧器的火焰具有离开燃烧器的气泡性能，所述气泡的离开能够通过测量助燃剂和/或者燃料(中断检测)的压力而被检测，该燃烧器的至少一个分开的气体入口提高了所述离开的均匀性。离开的频率一般为30-300次/分钟。
本发明还涉及一种包括燃烧器和至少一个距离燃烧器50厘米的气体入口喷管。该装置最好包括至少两个距离燃烧器50厘米的气体入口喷管，最好3个距离燃烧器至少50厘米的气体入口喷管。
本发明还涉及一种熔化可玻璃化材料的熔化炉，包括本发明的装置，在熔化或者转化时该燃烧器埋置在所述可玻璃化材料中，特别是用于制备硅基玻璃(即包括至少30％重量的硅)。
图1示出了本发明的装置的俯视图，包括一个燃烧器和3个分开的气体入口；以及
图2示出了本发明的炉子的侧视图。
在附图中示出了供应所述燃烧器的燃料和助燃剂的入口。
图1中示出了本发明的装置的俯视图，包括防火材料(抗火混凝土，抗火石头，钼或者任何其他抗熔化玻璃的材料)的支架1，中心燃烧器2，围绕有3个分开的气体入口。所述装置可以设置在炉子的底部，该燃烧器在熔化材料内部发展火焰。
在图2中示出了侧视图的炉子。该炉子包括一些抗火材料的壁，一个拱穹4和底部5。穿过所述拱穹的开口6可以用来引入可玻璃化材料(硅，硅的熔化物，流体等)和/或者排出烟。通到熔化材料的位置8下面的开口7也可以用于引入可玻璃化的材料。该熔化的材料从炉子中通过缝隙13出来。该炉子装备了两个埋置燃烧器9，其在熔化材料内部发展出每个火焰。围绕每个燃烧器设置了两个气体的分开入口10，充分靠近燃烧器用于调节气泡离开燃烧器。

Claims (18)

1.一种通过至少一个埋置的燃烧器熔化可玻璃化材料的方法，该燃烧器在熔化的可玻璃化材料内部产生火焰，其特征在于，与该燃烧器分离的至少一个气体入口充分靠近该燃烧器，从而与所述火焰相互作用。
2.根据权利要求1所述的方法，其特征在于，在分开的气体入口轴线和燃烧器的轴线之间的交点与燃烧器出口之间的距离可以达到0-15厘米
3.根据权利要求2所述的方法，其特征在于，该燃烧器被供应相互作用的助燃剂和燃料，以便形成火焰。
4.根据权利要求1-3之一所述的方法，其特征在于，该气体包括氧气或者氮气或者空气。
5.根据权利要求1-4中任一项所述的方法，其特征在于，该气体导致了燃烧器燃烧。
6.根据权利要求1-5之一所述的方法，其特征在于，分别进入的气体的体积流量为2-20％的供应燃烧器的气体助燃剂和气体燃料的标准体积流量的总和。
7.根据权利要求6所述的方法，其特征在于，分别进入的气体的体积流量为5-10％的供应燃烧器的气体助燃剂和气体燃料的标准体积流量的总和。
8.根据权利要求1-7中任一项所述的方法，其特征在于，气体助燃剂和气体燃料的标准体积流量的总和为0.5Nm3/h-150Nm3/h。
9.根据权利要求1-8中任一项所述的方法，其特征在于，包括至少两个气体入口。
10.根据权利要求9所述的方法，其特征在于，包括至少3个气体入口。
11.根据权利要求1-10中任一项所述的方法，其特征在于，该火焰具有与燃烧分离的气泡性能，所述分离可以通过测量助燃剂和/或者燃料的压力而被检测，该燃烧器的至少一个分开的气体入口改进了所述分开的均匀性。
12.根据权利要求11所述的方法，其特征在于，该分离的频率为30-300次/分钟。
13.一种包括燃烧器和至少一个距离燃烧器50厘米的气体入口喷管的装置。
14.根据权利要求14所述的装置，其特征在于，包括至少两个距离燃烧器50厘米的气体入口喷管。
15.根据权利要求14所述的装置，其特征在于，包括至少三个距离燃烧器50厘米的气体入口喷管。
16.熔化可玻璃化材料的炉子，包括上述权利要求13-15中任一项所述的装置，该燃烧器埋置在所述可玻璃化的材料中。
17.对根据权利要求1-12中任一项所述的方法，根据权利要求13-15中任一项所述的装置和权利要求16所述的炉子的应用，用于熔化玻璃。
18.通过权利要求1-12中任一项所述的方法，根据权利要求13-15中任一项所述的装置和权利要求16所述的炉子制造的玻璃。
CN2006800031323A 2005-01-26 2006-01-25 受调节的火焰的埋置燃烧器 Expired - Fee Related CN101107201B (zh)

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JP5203715B2 (ja) 2013-06-05
US20080145804A1 (en) 2008-06-19
BRPI0606821A2 (pt) 2010-02-09
ES2344309T3 (es) 2010-08-24
JP2008528424A (ja) 2008-07-31
FR2881132B1 (fr) 2007-04-27
FR2881132A1 (fr) 2006-07-28
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DK1986966T3 (da) 2010-08-09
WO2006079748A1 (fr) 2006-08-03
PT1986966E (pt) 2010-07-28
DE602006013886D1 (de) 2010-06-02
UA91211C2 (ru) 2010-07-12
CN101107201B (zh) 2011-10-05
EA200701587A1 (ru) 2007-12-28
NO20074017L (no) 2007-08-02
KR20070094939A (ko) 2007-09-27
US8561430B2 (en) 2013-10-22
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KR101289836B1 (ko) 2013-07-26
ATE465131T1 (de) 2010-05-15

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