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CN201429336Y - 带助燃风加热段的玻璃生产线余热锅炉热回收系统 - Google Patents

带助燃风加热段的玻璃生产线余热锅炉热回收系统 Download PDF

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CN201429336Y
CN201429336Y CN2009203030268U CN200920303026U CN201429336Y CN 201429336 Y CN201429336 Y CN 201429336Y CN 2009203030268 U CN2009203030268 U CN 2009203030268U CN 200920303026 U CN200920303026 U CN 200920303026U CN 201429336 Y CN201429336 Y CN 201429336Y
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卢成权
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CHENGDU HOT NEW ENERGY TECHNOLOGY Co Ltd
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CSG Holding Co Ltd
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • 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
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    • 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
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Abstract

本实用新型公开了一种热回收系统，尤其是涉及一种带助燃风加热段的玻璃生产线余热锅炉热回收系统，其余热利用效率更高。该系统包括通过助燃风道与蓄热池上一侧关闭的空气交换器连通的助燃风机，蓄热池上另一侧开启的空气交换器与主烟道连通，在主烟道上的调节门与大闸门之间连接有余热烟道和余热锅炉，助燃风道上设置有空气预热器，空气预热器的烟道连接在余热锅炉的烟道出口上。该技术方案可充分利用玻璃生产线的余热，使余热锅炉的热利用率得到了提高，显著降低了玻璃生产线燃料消耗量，可广泛用于现有的玻璃生产线余热锅炉热回收系统的改造以及新的生产线的建造中。

Description

带助燃风加热段的玻璃生产线余热锅炉热回收系统
技术领域
本实用新型涉及一种热回收系统，尤其是涉及一种带助燃风加热段的玻璃生产线余热锅炉热回收系统。
背景技术
余热锅炉也称为热回收蒸汽发生器，和常规锅炉不同，余热锅炉中不发生燃烧过程，也没有燃烧相关的设备，从本质上讲，它只是一个燃气查？蒸汽的换热器，余热锅炉一般采用水作为工质。目前，现有的玻璃生产线风烟系统如图1所示：冷空气由助燃风机抽入，经过关闭的空气交换器，进入蓄热池，在蓄热池中被加热，通过小炉，和天然气等燃料混合在窑池中燃烧，产生的高温烟气通过另一侧的蓄热池加热已被冷风冷却过的蓄热池，换热后的烟气通过开启的另一侧的空气交换器进入主烟道，经过调节门后进入余热锅炉，进行热交换后，150～170℃的乏气被引风机抽入烟囱排放掉。上述现行玻璃余热锅炉的乏气(热交换后的烟气)的温度大约为150～170℃，而燃用天然气的玻璃生产线，烟气中二氧化硫含量甚微，所以对烟气的排烟温度没特殊要求，这部分烟气还有再利用的价值。室温下的冷空气进入高温蓄热池，温差大，在蓄热池中得到加热，温度得以提高，如果热空气进入蓄热池，在蓄热池助燃风的温度会被提得更高，这样可以降低燃料消耗量(实测助燃风温每提高10℃，燃料消耗量将降低2％)。
实用新型内容
本实用新型所要解决的技术问题是提供一种余热利用效率更高的带助燃风加热段的玻璃生产线余热锅炉热回收系统。
本实用新型解决其技术问题所采用的技术方案是：带助燃风加热段的玻璃生产线余热锅炉热回收系统，包括通过助燃风道与蓄热池上一侧关闭的空气交换器连通的助燃风机，蓄热池上另一侧开启的空气交换器与主烟道连通，在主烟道上的调节门与大闸门之间连接有余热烟道和余热锅炉，其特征是：助燃风道上设置有空气预热器，空气预热器的烟道连接在余热锅炉的烟道出口上。
作为优选的技术方案，所述空气预热器采用管式空气预热器。
本实用新型的有益效果是：由于采用了在助燃风道上设置有空气预热器，空气预热器的烟道连接在余热锅炉的烟道出口上的技术方案，从而可充分利用该处的余热，使得进入蓄热池的是温度相对较高的助燃空气，有效的降低了蓄热池出口与空气进口两者间的温差，从而使空气经过蓄热池后，温度被加热得更高，在维持窑温不变的情况下，将显著降低玻璃生产线燃料消耗量(实测助燃风温每提高10℃，燃料消耗量将降低2％)，通过空气预热器再利用后的排烟温度降低，有效的提高了热利用效率。本实用新型的技术方案，可广泛用于现有的玻璃生产线余热锅炉热回收系统的改造以及新的生产线的建造中。
附图说明
图1是现有的带助燃风加热段的玻璃生产线余热锅炉热回收系统的原理图；
图2是本实用新型的带助燃风加热段的玻璃生产线余热锅炉热回收系统的原理图，图中箭头方向为烟气流动方向。
图中标记为：蓄热池1、空气交换器2、空气交换器3、主烟道4、调节门5、大闸门6、余热烟道7、余热锅炉8、空气预热器9、助燃风机10。
具体实施方式
下面结合附图和实施例对本实用新型进一步说明。
如图1所示，在现有的带助燃风加热段的玻璃生产线余热锅炉热回收系统中，冷空气由助燃风机10抽入，经过关闭的空气交换器2进入蓄热池1，在蓄热池1中被加热与燃料在窑池中燃烧，产生的热烟气通过另一侧开启的空气交换器3进入主烟道4，经过调节门5后进入余热锅炉8，进行热交换后的乏气被引风机抽入烟囱排放掉。为了便于安装和维修，所述空气预热器9采用管式空气预热器。
为了提高余热利用效率，本实用新型的带助燃风加热段的玻璃生产线余热锅炉热回收系统如图2所示，在上述现有的过助燃风道上设置有空气预热器9，空气预热器9的烟道连接在余热锅炉8的烟道出口上。助燃空气被助燃风机10抽入设置在余热锅炉8烟道出口端的管式空气预热器，在预热器里被加热，温度被提高80～100℃，然后经过蓄热池1上已经关闭的空气交换器2进入蓄热池1，在蓄热池1中被进一步加热，得到温度较高的助燃风，最后进入小炉与燃料混合后在窑池里燃烧，燃烧产生的高温烟气进入另一侧已经被冷却的蓄热池1，加热蓄热池，被蓄热池冷却后的烟气通过另一侧已经开启的空气交换器3，经过调节门5进入余热锅炉8进行热交换后，进入设置在余热锅炉8烟道出口端的管式空气预热器，在空预器里进行再一次的热交换后，乏气(80～100℃)被引风机抽入烟囱排入大气。

Claims (2)

1.带助燃风加热段的玻璃生产线余热锅炉热回收系统，包括通过助燃风道与蓄热池(1)上一侧关闭的空气交换器(2)连通的助燃风机(10)，蓄热池(1)上另一侧开启的空气交换器(3)与主烟道(4)连通，在主烟道(4)上的调节门(5)与大闸门(6)之间连接有余热烟道(7)和余热锅炉(8)，其特征是：助燃风道上设置有空气预热器(9)，空气预热器(9)的烟道连接在余热锅炉(8)的烟道出口上。
2.如权利要求1所述的带助燃风加热段的玻璃生产线余热锅炉热回收系统，其特征是，所述空气预热器(9)为管式空气预热器。
CN2009203030268U 2009-05-11 2009-05-11 带助燃风加热段的玻璃生产线余热锅炉热回收系统 Expired - Fee Related CN201429336Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102828047A (zh) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 白银炼铜炉的余热回收利用方法及其装置
CN102954460A (zh) * 2011-08-18 2013-03-06 彭科 一种电站锅炉能量优化利用系统
CN114152098A (zh) * 2021-10-29 2022-03-08 中国建材国际工程集团有限公司 一种玻璃熔窑烟气余热回收利用系统及方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954460A (zh) * 2011-08-18 2013-03-06 彭科 一种电站锅炉能量优化利用系统
CN102954460B (zh) * 2011-08-18 2014-09-24 彭科 一种电站锅炉能量优化利用系统
CN102828047A (zh) * 2012-09-07 2012-12-19 白银有色集团股份有限公司 白银炼铜炉的余热回收利用方法及其装置
CN114152098A (zh) * 2021-10-29 2022-03-08 中国建材国际工程集团有限公司 一种玻璃熔窑烟气余热回收利用系统及方法

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