CN2608111Y - 高浓度烟气脱硫除尘设备 - Google Patents

高浓度烟气脱硫除尘设备 Download PDF

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CN2608111Y
CN2608111Y CN 03227405 CN03227405U CN2608111Y CN 2608111 Y CN2608111 Y CN 2608111Y CN 03227405 CN03227405 CN 03227405 CN 03227405 U CN03227405 U CN 03227405U CN 2608111 Y CN2608111 Y CN 2608111Y
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杨健
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Hunan Lunan Desulfurization & Denitration Technology Co Ltd
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Abstract

本实用新型公开了一种高浓度烟气脱硫除尘设备,该设备仍包括现有技术中公开的含主塔和附塔的脱硫除尘装置,该脱硫除尘装置至少具有二套,且各套之间串连,形成二级或二级以上的连续脱硫除尘。本实用新型设备成本低,占地面积小,能对高浓度烟气进行有效处理,使之完全符合环保要求。

Description

高浓度烟气脱硫除尘设备
技术领域:
本实用新型涉及一种高浓度烟气脱硫除尘设备,主要应用于工业炉窑排放废气的处理。
背景技术:
对于工厂烟囱排放的烟气,近年来出现了一些较先进的塔式除尘脱硫设备,如由杨培灿发明的“烟气脱硫除尘装置”其专利号为ZL98230228.2,它主要包括一个主塔,一个附塔,两塔相隔一定距离,顶部用烟通管连通,主塔内设有稳流石柱、喷淋器、多层气液分配板、脱水板、防带水环等。该装置主要是利用稳流石柱,气液分配板的作用使烟气旋转上升,该旋转烟气与喷淋器喷出的高压旋转水混合雾化,使烟气中尘粒被甩落排出,净化后的气体继续上升由脱水板及防带水环进行气液分离,之后通过烟道管进入附塔,再由引风机抽至烟囱排至大气中。该装置结构简单,除尘脱硫效率较高,适用于浓度不高的烟气处理,但对于高浓度烟气的脱硫除尘,仅采用一套这样的装置是难以达到环保要求的。同时,由于其主塔、附塔相隔一定距离,因此占地面积较大,不能有效利用空间。
实用新型内容:
本实用新型的目的在于提供一种使高浓度烟气经脱硫除尘后能达到环保要求的高浓度烟气脱硫除尘设备。
本实用新型仍包括ZL98230228.2所具有的含主塔和附塔的脱硫除尘装置,该脱硫除尘装置至少具有二套,且各套之间串联,形成二级或二级以上的连续脱硫除尘。
对尘埃浓度高的烟气处理最好还设有一套除尘室,该室至少设有一级除尘腔,除尘腔内安装有喷淋管及除尘棒,首级除尘腔与烟气进口连接,未级除尘腔与首级主塔的进气口相连通。
为了减少占地面积有效利用空间,降低成本,主塔与附塔之间、各套脱硫除尘装置之间、除尘室与脱硫除尘装置之间均共用隔板。
由于本实用新型将至少二套ZL98230228.2所公共开的脱硫除尘装置进行串联,形成二级或二级以上的连续脱硫除尘。因此,无论烟气中的含尘硫量多高,都能通过本实用新型进行有效处理,使之完全符合环保要求。
对尘埃浓度高的烟气如果还增设除尘室,会使最终除尘脱硫效果更好,同时使降低设备成本。如果各主附塔之间、除尘室与脱硫除尘装置之间均共用隔板,将有效减少占地面积并节约材料成本及运行成本。
附图说明:
图1是本实用新型一种具体实施方式的主剖视图。
图2是图1沿A-A线的剖视图。
具体实施方式:
参见图1,本实施方式仍具有ZL9820228.2公开的含主塔1和附塔2的脱硫除尘装置3,采用两套这样的装置进行串连,就形成了含有主塔1和附塔2的一级脱硫除尘装置3与含有主塔1a和附塔2a的二级脱硫除尘装置3a串联,主塔1和主塔1a均为圆柱体,二者相隔一定距离,并内切于外壳4,主塔1和主塔1a的部份圆柱面与外壳4围成的空间形成附塔2,主塔1a的另一部份圆柱面与外壳4右端围成的空间形成附塔2a,如图2所示。从图1还可看出,主塔1和附塔2的顶部相通,附塔2的下部与主塔1a的下部相通,主塔1a和附塔2a的顶部相通,如此实现这四个塔的串联。结合图2还可看出在外壳4的下方,贴着外壳4设置了一套除尘室5,该除尘室5包含一级除尘腔6、二级除尘腔7,两个除尘腔中均安装了喷淋管10及除尘棒9,烟气进口8设置在一级除尘腔6处并与之相通,二级除尘腔7与一级脱硫除尘装置3的主塔1相连通。
高浓度烟气从烟气进口8进入一级除尘腔6,其内的喷淋管10喷出的水不断对烟气喷淋,此时除尘棒9也处于湿状,当烟气流至除尘棒9时受阻,只能从诸除尘棒9的空隙中流过,期间大部分尘埃被洗落或被除尘棒9挡住而落下,之后进入二级除尘腔7重复除尘。如此烟气得到较明显的清尘处理,再进入一级脱硫除尘装置3的主塔1中。在主塔1中,烟气绕稳流柱11旋转上升,并由主塔1中的喷淋器12不断喷以碱水对烟气进行充分地脱硫除尘,经气液分离后,由主塔1顶部进入附塔2,并从附塔2下部排出,完成一级脱硫除尘,此时的气体仍不符合环保标准,再让其进入二级脱硫除尘装置3a的主塔1a,然后进入附塔2a重复上述脱硫除尘过程,完成二级脱硫除尘,得到纯气体,该气体经引风机送至烟囱而排空。如此,一般的情况下,能使SO2排放浓度小于60mg/Nm3,优于国家排放标准20倍以上,除尘效率99.8%,排放浓度20mg/Nm3,优于国家排放标准化10倍以上,林格曼黑度0级,优于国家排放标准。对特高浓度烟气本实用新型可用多套脱硫除尘装置串连而成,并且除尘室5,可设多级除尘腔,直到处理后的气体符合环保标准。

Claims (4)

1、一种高浓度烟气脱硫除尘设备,仍包括含主塔(1)和附塔(2)的脱硫除尘装置(3),其特征在于所述脱硫除尘装置(3)至少具有二套,且各套之间串连,形成二级或二级以上的连续脱硫除尘。
2、根据权利要求1所述的高浓度烟气脱硫除尘设备,其特征在于:所述脱硫除尘装置(3)还设有一套除尘室(5),该室至少设有一级除尘腔,除尘腔内安装有喷淋管(10)及除尘棒(9),首级除尘腔(6)与烟气进口(8)连接,未级除尘腔(7)与首级主塔(1)的进气口相连通。
3、根据权利要求1、2所述的高浓度烟气脱硫除尘设备,其特征在于:主塔(1)与附塔(2)之间、各套脱硫除尘装置(3)之间均共用隔板。
4、根据权利要求3所述的高浓度烟气脱硫除尘设备,其特征在于:除尘室(5)与脱硫除尘装置(3)之间共用隔板。
CN 03227405 2003-04-18 2003-04-18 高浓度烟气脱硫除尘设备 Expired - Lifetime CN2608111Y (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104096471A (zh) * 2014-07-08 2014-10-15 中国华电工程(集团)有限公司 用于燃煤电厂的二氧化硫近零排放吸收塔
CN108854487A (zh) * 2018-09-06 2018-11-23 常州纺织服装职业技术学院 一种砷烷/磷烷废气处理装置及砷烷/磷烷废气处理方法
CN110898608A (zh) * 2018-09-18 2020-03-24 中国石化工程建设有限公司 一种活性焦吸附净化烟气的系统及方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104096471A (zh) * 2014-07-08 2014-10-15 中国华电工程(集团)有限公司 用于燃煤电厂的二氧化硫近零排放吸收塔
CN108854487A (zh) * 2018-09-06 2018-11-23 常州纺织服装职业技术学院 一种砷烷/磷烷废气处理装置及砷烷/磷烷废气处理方法
CN108854487B (zh) * 2018-09-06 2024-03-22 常州纺织服装职业技术学院 一种砷烷/磷烷废气处理装置及砷烷/磷烷废气处理方法
CN110898608A (zh) * 2018-09-18 2020-03-24 中国石化工程建设有限公司 一种活性焦吸附净化烟气的系统及方法
CN110898608B (zh) * 2018-09-18 2022-02-08 中国石化工程建设有限公司 一种活性焦吸附净化烟气的系统及方法

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