CN113184961B - 一种有机物废水电催化降解装置 - Google Patents

一种有机物废水电催化降解装置 Download PDF

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CN113184961B
CN113184961B CN202110603509.5A CN202110603509A CN113184961B CN 113184961 B CN113184961 B CN 113184961B CN 202110603509 A CN202110603509 A CN 202110603509A CN 113184961 B CN113184961 B CN 113184961B
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慕史臣
慕俊熙
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Shandong Rick Environmental Technology Co ltd
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Abstract

本发明公开了一种有机物废水电催化降解装置，包括：电催化氧化反应器、喷淋塔和干燥塔，电催化氧化反应器中设置有羟基发生器、催化剂填料、箱体，电催化氧化反应器的箱体上设置有集气装置，集气装置与喷淋塔连接，喷淋塔的上端出气口连接有干燥塔。本发明将电氧化反应与催化反应结合，采用双催化剂协同作用，提高电催化氧化反应器的电氧化效率，使高盐高有机物废水得到高效降解，并对副产氢气加以纯化回收，产生的氢气经过集气装置收集进入喷淋塔，CO2气体经过处理被吸收，除去CO2的气体经过干燥塔吸收水分，得到纯净的氢气。

Description

一种有机物废水电催化降解装置
技术领域
本发明涉及废水处理技术领域，更具体的说是涉及一种有机物废水电催化降解装置。
背景技术
工业废水除含有高浓度的盐类物质外，还有高浓度的有机物，化学需氧量(COD)往往作为衡量水中有机物质含量多少的指标。所谓化学需氧量(COD)，是指在一定的条件下，采用一定的强氧化剂处理水样时，所消耗的氧化剂量，它是表示水中还原性物质多少的一个指标。
电催化氧化技术是利用电化学方法持续产生具有高活性的羟基自由基，使有机物得以降解矿化；其反应条件温和，过程易于控制，无二次污染，具有其他水处理技术无法比拟的优点；传统的电催化氧化反应装置，阳极板没有采用催化剂或所用催化剂效果差，造成羟基产生率低，所用催化剂填料载体面积小，而且载体填料里的催化剂不同，或没有采用催化剂，存在羟基产生率低下，羟基同有机物作用面积小，反应效果差，羟基利用率低，造成COD降解低效、能耗高等缺点，并且没有对产生的氢气有效回收利用。
因此，如何提供一种有机物废水电催化降解装置，是本领域技术人员亟需解决的问题。
发明内容
本发明提供了一种有机物废水电催化降解装置，旨在在一定程度上解决现有技术中的上述技术问题。
为了实现上述目的，本发明采用如下技术方案：
一种有机物废水电催化降解装置，包括：电催化氧化反应器、喷淋塔和干燥塔，所述电催化氧化反应器包括箱体、箱体下端的进水管、箱体上端的出水管、羟基发生器和催化剂填料，所述催化剂填料设置在所述羟基发生器中，所述电催化氧化反应器上设置有集气装置，所述集气装置与喷淋塔连接，喷淋塔的上端出气口连接有干燥塔。
经由上述的技术方案可知，与现有技术相比，本发明将电氧化反应与催化反应结合，提高电催化氧化反应器的电氧化效率，使高盐高有机物废水得到高效降解，并且对分解后的副产物进行有效利用，产生的氢气经过集气装置收集进入喷淋塔，CO2气体经过处理被吸收，除去CO2的气体经过干燥塔吸收水分，得到纯净的氢气。
进一步的，所述箱体内的上端和下端分别设有与所述进水管及所述出水管连接的布水器，解决了以往电催化氧化反应器布水不均匀造成出水不合格的问题。
进一步的，所述羟基发生器由多组电极板组成，多组电极板均匀分布于所述箱体的内部，每组电极板包括相对设置的阳极板和阴极板，所述阳极板与直流电源的正极相连，所述阴极板与所述直流电源的负极相连；所述阳极板表面设置有贵金属催化剂，贵金属催化剂根据不同水质而定采用钌、铱、铂等贵金属；阴极板与阳极板之间填有催化剂填料，所述催化剂填料为疏松多孔结构颗粒，内负载有催化剂。采用双催化剂协同作用，提高电催化氧化反应器的电氧化效率，使高盐高有机物废水被降解，提高废水处理效率。
进一步的，所述多组电极板并联，所述阴极板与所述阳极板的间距相等为20-50mm，板间距根据不同水质而定。
进一步的，所述载体填料内催化剂为二氧化锰、铁锰和氧化铝，根据不同水质而定。
进一步的，所述箱体的底部设有卸料阀，打开阀门更换催化剂填料时便于卸料，或用于将反应器箱体内的废水排空。
进一步的，还包括与所述电催化氧化反应器相连的有机物废水箱，所述高盐高有机物废水箱通过废水泵箱向所述电催化氧化反应器中输入高盐有机物废水。
进一步的，所述喷淋塔包括塔体和循环池，所述循环池设置于所述塔体的底部，循环池中设有CO2吸收液，所述塔体的顶端设置有出气口，下部设置有进气口，所述进气口与所述集气装置连接，所述塔体内设置有喷淋管，且喷淋管上设置有雾化喷头；所述喷淋管通过循环管与循环池相连通，且循环管上设置有循环泵。
进一步的，所述出气口通过管路与所述干燥塔连通。
进一步的，所述喷淋塔内CO2吸收液选用氢氧化钙溶液，所述干燥塔内的干燥剂选用生石灰。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。
图1为本发明结构示意图。
其中：
1-喷淋塔；2-干燥塔；3-催化剂填料，4-集气装置；5-进水管；6-出水管；7-阳极板；8-阴极板；9-卸料阀；10-布水器；11-循环管。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
本发明实施例公开了一种有机物废水电催化降解装置，包括：电催化氧化反应器、喷淋塔1和干燥塔2，所述电催化氧化反应器包括箱体、箱体下端的进水管5、箱体上端的出水管6、羟基发生器和催化剂填料3，催化剂填料3设置在所述羟基发生器中，电催化氧化反应器的箱体上设置有集气装置4，集气装置4与喷淋塔1连接，喷淋塔1的上端出气口连接有干燥塔2。
还包括与电催化氧化反应器相连的高盐高有机物废水箱，高盐高有机物废水箱通过废水泵箱向电催化氧化反应器中输入高盐高有机物废水。
具体的，羟基发生器由多组电极板组成，多组电极板均匀分布于反应器箱体的内部，每组电极板包括相对设置的阳极板7和阴极板8，阳极板7与直流电源的正极相连，阴极板8与直流电源的负极相连；废水与阴极板8的界面处得到电子发生还原反应放出氢气；阳极板7表面涂有贵金属催化剂，催化剂采用钌、铱、铂等贵金属(根据不同水质而定)；阴极板、阳极板间填有催化剂填料3，催化剂填料3为疏松多孔结构颗粒，内载有催化剂，催化剂为二氧化锰、铁锰和氧化铝等。
为进一步优化上述技术方案，多组电极板并联，阴极板8与阳极板7的间距相等，一般控制在20-50mm。废水与阳极板的界面处发生催化氧化反应，产生的羟基与填料载体内的催化剂协同作用于有机物，进行连续氧化分解，最终使有机物被羟基氧化分解为二氧化碳和水，废水得以有效降解处理。
为进一步优化上述技术方案，箱体内的上端和下端分别设有与进水管5及出水管6连接的布水器10，能将废水均匀布满整个反应器箱体中，进行高效电催化反应。
为进一步优化上述技术方案，箱体的底部设有卸料阀9，将反应后的液体排出反应器箱体。
具体的，喷淋塔1包括塔体和循环池，塔体的顶端设置有出气口，出气口通过管路与干燥塔2连接，下方设置有进气口与集气装置连接，循环池设置于塔体的底部，主要成分为石灰水，塔体内设置有喷淋管，且喷淋管上设置有雾化喷头，喷淋管通过循环管11与循环池相连通，且循环管11上设置有循环泵；电催化产生的氢气经过集气装置收集进入喷淋塔，CO2气体经过喷淋处理被石灰水吸收，除去CO2的气体经过干燥塔2吸收水分，得到纯净的氢气，干燥塔2内干燥架选用生石灰。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处参见方法部分说明即可。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下，在其它实施例中实现。因此，本发明将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (4)

1.一种有机物废水电催化降解装置，其特征在于，包括：电催化氧化反应器、喷淋塔(1)和干燥塔(2)，所述电催化氧化反应器包括箱体、箱体下端的进水管(5)、箱体上端的出水管(6)、羟基发生器和催化剂填料(3)，所述催化剂填料(3)设置在所述羟基发生器中，电催化氧化反应器上设置有集气装置(4)，所述集气装置(4)与喷淋塔(1)连接，喷淋塔(1)的上端出气口连接有干燥塔(2)；所述羟基发生器由多组电极板组成，多组电极板均匀分布于所述箱体的内部，每组电极板包括相对设置的阳极板(7)和阴极板(8)，所述阳极板(7)与直流电源的正极相连，所述阴极板(8)与所述直流电源的负极相连；所述阳极板(7)表面设置有贵金属催化剂，所述阴极板(8)与所述阳极板(7)之间填有催化剂填料(3)，所述催化剂填料(3)为疏松多孔结构颗粒，内负载有催化剂；
所述多组电极板并联，所述阴极板与所述阳极板的间距相等为20-50mm；所述箱体内的上端和下端分别设有与所述进水管(5)及所述出水管(6)连接的布水器(10)；
所述喷淋塔(1)包括塔体和循环池，所述循环池设置于所述塔体的底部，循环池中设有CO2吸收液，所述塔体的顶端设置有出气口，下部设置有进气口，所述进气口与所述集气装置(4)连接，所述塔体内设置有喷淋管，且喷淋管上设置有雾化喷头；所述喷淋管通过循环管(11)与循环池相连通，且循环管(11)上设置有循环泵；
所述喷淋塔(1)内CO2吸收液选用氢氧化钙溶液，所述干燥塔(2)内的干燥剂选用生石灰。
2.根据权利要求1所述的一种有机物废水电催化降解装置，其特征在于，所述催化剂采用二氧化锰、锰铁和氧化铝。
3.根据权利要求1所述的一种有机物废水电催化降解装置，其特征在于，所述箱体的底部设有卸料阀(9)。
4.根据权利要求1所述的一种有机物废水电催化降解装置，其特征在于，所述出气口通过管路与所述干燥塔(2)连通。
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