CN202983509U - 沼气中硫化氢的脱除装置 - Google Patents

沼气中硫化氢的脱除装置 Download PDF

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CN202983509U
CN202983509U CN2012207031721U CN201220703172U CN202983509U CN 202983509 U CN202983509 U CN 202983509U CN 2012207031721 U CN2012207031721 U CN 2012207031721U CN 201220703172 U CN201220703172 U CN 201220703172U CN 202983509 U CN202983509 U CN 202983509U
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hydrogen sulfide
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methane
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蒋勇
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Qingdao Tianying Agriculture And Forestry Technology Development Co ltd
Qingdao Zhonghuanneng Biotechnology Co ltd
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Abstract

本实用新型涉及一种沼气中硫化氢的脱除装置,包括罐体,在所述的罐体内从上至下依次安装有菌种分布器、填料、沼气分布器、隔板和空气分布器,所述的罐体的顶端和侧部分别设置有沼气出气管和空气出气管,所述罐体内的底部为菌种区,循环泵安装在罐体的外部,其进液口通过管道与菌种区相连通,出液口通过管道与菌种分布器相连通,所述隔板的中心孔上安装有液封管,所述液封管的底端没及在菌种区内。本实用新型的优点:可以将沼气中的硫化氢脱除90%以上,达到沼气用户对气质的要求,安全可靠、运行费用低。

Description

沼气中硫化氢的脱除装置
技术领域
本实用新型属于沼气净化处理领域,具体是一种沼气中硫化氢的脱除装置。 
背景技术
沼气微生物厌氧反应产生的沼气中通常含有硫化氢气体,硫化氢气体对金属管道、设备及仪表具有很高的腐蚀性。而且沼气燃烧后,硫化氢转化为二氧化硫或三氧化硫,不仅会污染环境,而且还会腐蚀设备。所以无论是直接用于燃烧或沼气发电,都必须对沼气进行必要的脱硫。
目前,脱硫方法有干法脱硫、湿法脱硫。干法脱硫是在干式脱硫塔中,通过脱硫剂氧化铁与硫化氢发生化学反应,去除沼气中的硫化氢,但氧化铁在反复使用后会失效,大量氧化铁废料会造成二次污染,而且更换脱硫剂费工费力。湿法脱硫是在湿式洗涤塔中,通过碱性液体吸收沼气中的硫化氢。但碱液在循环过程中很容易结晶,堵塞水泵、管道等,而且日常维护费用较高。 
发明内容
   本实用新型的目的是提供一种脱硫效果好、安全可靠、运行费用低的沼气中硫化氢的脱除装置。本实用新型的技术方案是:一种沼气中硫化氢的脱除装置,包括罐体,在所述的罐体内从上至下依次安装有菌种分布器、填料、沼气分布器、隔板和空气分布器,所述的罐体的顶端和侧部分别设置有沼气出气管和空气出气管,所述罐体内的底部为菌种区,循环泵安装在罐体的外部,其进液口通过管道与菌种区相连通,出液口通过管道与菌种分布器相连通,所述隔板的中心孔上安装有液封管,所述液封管的底端没及在菌种区内。
在与液封管相对侧的隔板上安装有隔离网,所述的隔离网安装在隔板的中心孔处。
所述罐体的底部设置有出液管,所述的出液管与菌种区相连通。
   所述的罐体上安装有菌种添加管,所述的菌种添加管位于沼气分布器和隔板之间。
 本实用新型的优点:可以将沼气中的硫化氢脱除90%以上,达到沼气用户对气质的要求,安全可靠、运行费用低。
附图说明
图1是本实用新型的主体结构示意图。
具体实施方式
    本实用新型涉及一种沼气中硫化氢的脱除装置,包括罐体14,在所述的罐体14内从上至下依次安装有菌种分布器5、填料8、沼气分布器1、隔板10和空气分布器6,所述的罐体14的顶端和侧部分别设置有沼气出气管2和空气出气管7,所述罐体14内的底部为菌种区12,循环泵4安装在罐体14的外部,其进料口通过管道与菌种区12相连通,出料口通过管道与菌种分布器5相连通,所述隔板10的中心孔上安装有液封管11,所述液封管11的底端没及在菌种区12内。
在与液封管11相对侧的隔板10上安装有隔离网13,所述的隔离网13安装在隔板10的中心孔处,隔离网只允许菌种通过,同时防止填料8落入菌种区12内,隔板还能隔绝空气进入填料8内,防止空气与沼气混合,发生危险。
所述罐体14的底部设置有出液管9,所述的出液管9与菌种区12相连通。
所述的罐体14上安装有菌种添加管3,所述的菌种添加管3位于沼气分布器1和隔板10之间,菌种通过菌种添加管3进入罐体14内,然后经过液封管11进入菌种区。
本实用新型的工作原理是: 沼气经沼气分布器1进入罐体14,并经过液封管11与菌种充分混合;空气经空气分布器6进入罐体14,与菌种区内的菌种混合以增加菌种溶氧量,空气上升经空气出管7排出;循环泵4吸取菌种区12内的菌种(菌种区内为菌种溶液),通过菌种分布器5均匀的喷淋至填料8,使菌种与沼气中的硫化氢充分混合,沼气脱掉硫化氢后,经沼气出管2排出,进入沼气储柜;菌种再由填料8经液封管11自流入菌种区12,此过程周而复始,形成一个循环。带硫化氢的沼气与喷淋的脱硫菌种逆向接触(沼气的流动方向至下向上,菌种的流动方向至上向下),硫化氢溶于弱碱性的脱硫菌种液中,反应式是:
Figure 2012207031721100002DEST_PATH_IMAGE001
Figure 974743DEST_PATH_IMAGE002
H2S+OH-            HS-+H2O,然后HS-与脱硫菌种液中的溶解氧发生反应,反应式是:HS-+1/2O2  脱硫细菌       S+OH,从而脱除沼气中的硫化氢。

Claims (4)

1.一种沼气中硫化氢的脱除装置,包括罐体,其特征在于:在所述的罐体内从上至下依次安装有菌种分布器、填料、沼气分布器、隔板和空气分布器,所述的罐体的顶端和侧部分别设置有沼气出气管和空气出气管,所述罐体内的底部为菌种区,循环泵安装在罐体的外部,其进液口通过管道与菌种区相连通,出液口通过管道与菌种分布器相连通,所述隔板的中心孔上安装有液封管,所述液封管的底端没及在菌种区内。
2.根据权利要求1所述的沼气中硫化氢的脱除装置,其特征在于:在与液封管相对侧的隔板上安装有隔离网,所述的隔离网安装在隔板的中心孔处。
3.根据权利要求1所述的沼气中硫化氢的脱除装置,其特征在于:所述罐体的底部设置有出液管,所述的出液管与菌种区相连通。
4.根据权利要求1所述的沼气中硫化氢的脱除装置,其特征在于:所述的罐体上安装有菌种添加管,所述的菌种添加管位于沼气分布器和隔板之间。
CN2012207031721U 2012-12-19 2012-12-19 沼气中硫化氢的脱除装置 Expired - Lifetime CN202983509U (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818069A (zh) * 2015-05-19 2015-08-05 农业部沼气科学研究所 多级喷淋式沼气生物脱硫装置
CN104841268A (zh) * 2015-05-19 2015-08-19 农业部沼气科学研究所 流化床式沼气生物脱硫装置
CN105524671A (zh) * 2015-12-25 2016-04-27 山东恒能环保能源设备有限公司 一种集成式沼气脱硫塔
CN106731494A (zh) * 2016-12-02 2017-05-31 山东省科学院能源研究所 解吸气提耦合塔及加压吸收净化提纯沼气的工艺方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818069A (zh) * 2015-05-19 2015-08-05 农业部沼气科学研究所 多级喷淋式沼气生物脱硫装置
CN104841268A (zh) * 2015-05-19 2015-08-19 农业部沼气科学研究所 流化床式沼气生物脱硫装置
CN105524671A (zh) * 2015-12-25 2016-04-27 山东恒能环保能源设备有限公司 一种集成式沼气脱硫塔
CN106731494A (zh) * 2016-12-02 2017-05-31 山东省科学院能源研究所 解吸气提耦合塔及加压吸收净化提纯沼气的工艺方法
CN106731494B (zh) * 2016-12-02 2019-10-08 山东省科学院能源研究所 解吸气提耦合塔及加压吸收净化提纯沼气的工艺方法

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