CN105695161A - 一种炼油厂废气吸收塔用填料清洗剂 - Google Patents
一种炼油厂废气吸收塔用填料清洗剂 Download PDFInfo
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Abstract
本发明公开了一种炼油厂废气吸收塔用填料清洗剂,涉及废气处理技术领域,由如下重量份数的原料制成:火山灰15-20份、钠基膨润土15-20份、凹凸棒土10-15份、松香酸聚氧乙烯酯8-12份、分子筛原粉6-10份、聚丙烯酸钠6-10份、卡波树脂5-8份、微晶蜡5-8份、聚乙烯吡咯烷酮4-6份、六亚甲基四胺4-6份、鲸蜡醇3-5份、柠檬酸钾3-5份、硬脂酸镁2-3份、三聚磷酸钠2-3份、尿素1-2份、硫化猪油1-2份、丙酮150-200份、乙醇600-800份。本发明清洗剂可有效除去填料上的结垢,并且在清洗后会在填料表面形成一层透明保护膜,防止填料再次被腐蚀,从而延长填料的使用寿命和减少清洗次数。
Description
技术领域:
本发明涉及废气处理技术领域,具体涉及一种炼油厂废气吸收塔用填料清洗剂。
背景技术:
炼油厂废气主要是从加热炉、烟囱排出,还有通过炼油加热燃烧燃料排出的尾气,主要污染物为氮氧化物和二氧化硫。如果直接将废气排放空气中,将会直接影响空气质量和污染环境,因此近年来对炼油厂废气的处理和排放标准日趋严格。
吸收塔作为废气处理的主要设备之一,起着至关重要的作用。而填料塔为吸收塔的类型之一,应用极其广泛。填料塔的常用填料有拉西环、鲍尔环、弧鞍形和矩鞍形填料,20世纪80年代后开发的新型填料如QH-1型扁环填料、八四内弧环、刺猬形填料、金属板状填料、规整板波纹填料、格栅填料等,为先进的填料塔设计提供了基础。为了提高填料利用率和减少更换成本,需要对填料进行清洗,去除填料表面结垢。目前市售的填料清洗剂种类极少,并且存在效果不佳、用量大和易引起填料严重腐蚀的问题,因此亟需改进。
发明内容:
本发明所要解决的技术问题在于提供一种清洗效果好、使用方便且利于延长填料使用寿命的炼油厂废气吸收塔用填料清洗剂。
本发明所要解决的技术问题采用以下的技术方案来实现:
一种炼油厂废气吸收塔用填料清洗剂,由如下重量份数的原料制成:
火山灰15-20份、钠基膨润土15-20份、凹凸棒土10-15份、松香酸聚氧乙烯酯8-12份、分子筛原粉6-10份、聚丙烯酸钠6-10份、卡波树脂5-8份、微晶蜡5-8份、聚乙烯吡咯烷酮4-6份、六亚甲基四胺4-6份、鲸蜡醇3-5份、柠檬酸钾3-5份、硬脂酸镁2-3份、三聚磷酸钠2-3份、尿素1-2份、硫化猪油1-2份、丙酮150-200份、乙醇600-800份。
其制备方法包括如下步骤:
(1)向丙酮中加入松香酸聚氧乙烯酯和微晶蜡,加热至回流状态保温10min,再加入钠基膨润土和硫化猪油,继续回流保温10min,即得物料I;
(2)向乙醇中加入卡波树脂和鲸蜡醇,混合均匀后于微波频率2450MHz、功率800W下微波处理10min,再加入聚丙烯酸钠和三聚磷酸钠,继续微波处理5min,即得物料II;
(3)向物料I中加入物料II、火山灰、凹凸棒土、分子筛原粉和尿素,混合均匀后于0-5℃下静置3h,最后加入聚乙烯吡咯烷酮、六亚甲基四胺、柠檬酸钾和硬脂酸镁,充分混合均匀。
所述凹凸棒土使用前经过预处理,其处理方法为:先将60-70份凹凸棒土和10-15份质量分数20%氯化钠水溶液加入120-150份乙醇中,加热至50-60℃后保温研磨30min,再加入8-11份聚丙烯酰胺和4-6份月桂醇聚氧乙烯醚,充分混合后先于微波频率2450MHz、功率800W下微波处理15min,再于超声频率40kHz、功率50W下超声处理15min,然后加入2-4份纳米陶瓷粉和3-5份纳米胶粉,继续超声处理10min,最后经真空干燥后制成粉末。
本发明的有益效果是:本发明以火山灰和钠基膨润土为主要原料,辅以多种辅料和助剂制得炼油厂废气吸收塔用填料清洗剂,该清洗剂使用方便,使用时只需将填料置于该清洗剂中浸泡15min,即可有效除去填料上的结垢,并且在清洗后会在填料表面形成一层透明保护膜,防止填料再次被腐蚀,从而延长填料的使用寿命和减少清洗次数。
具体实施方式:
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明。
实施例1
(1)向200份丙酮中加入10份松香酸聚氧乙烯酯和8份微晶蜡,加热至回流状态保温10min,再加入20份钠基膨润土和2份硫化猪油,继续回流保温10min,即得物料I;
(2)向600份乙醇中加入6份卡波树脂和5份鲸蜡醇,混合均匀后于微波频率2450MHz、功率800W下微波处理10min,再加入8份聚丙烯酸钠和3份三聚磷酸钠,继续微波处理5min,即得物料II;
(3)向物料I中加入物料II、20份火山灰、12份凹凸棒土、6份分子筛原粉和2份尿素,混合均匀后于0-5℃下静置3h,最后加入6份聚乙烯吡咯烷酮、4份六亚甲基四胺、3份柠檬酸钾和2份硬脂酸镁,充分混合均匀。
凹凸棒土的预处理:先将70份凹凸棒土和15份质量分数20%氯化钠水溶液加入150份乙醇中,加热至50-60℃后保温研磨30min,再加入10份聚丙烯酰胺和4份月桂醇聚氧乙烯醚,充分混合后先于微波频率2450MHz、功率800W下微波处理15min,再于超声频率40kHz、功率50W下超声处理15min,然后加入3份纳米陶瓷粉和5份纳米胶粉,继续超声处理10min,最后经真空干燥后制成粉末。
实施例2
(1)向150份丙酮中加入8份松香酸聚氧乙烯酯和6份微晶蜡,加热至回流状态保温10min,再加入15份钠基膨润土和1份硫化猪油,继续回流保温10min,即得物料I;
(2)向800份乙醇中加入8份卡波树脂和3份鲸蜡醇,混合均匀后于微波频率2450MHz、功率800W下微波处理10min,再加入6份聚丙烯酸钠和2份三聚磷酸钠,继续微波处理5min,即得物料II;
(3)向物料I中加入物料II、15份火山灰、10份凹凸棒土、8份分子筛原粉和1份尿素,混合均匀后于0-5℃下静置3h,最后加入4份聚乙烯吡咯烷酮、4份六亚甲基四胺、3份柠檬酸钾和2份硬脂酸镁,充分混合均匀。
凹凸棒土的预处理:先将60份凹凸棒土和10份质量分数20%氯化钠水溶液加入120份乙醇中,加热至50-60℃后保温研磨30min,再加入8份聚丙烯酰胺和5份月桂醇聚氧乙烯醚,充分混合后先于微波频率2450MHz、功率800W下微波处理15min,再于超声频率40kHz、功率50W下超声处理15min,然后加入2份纳米陶瓷粉和4份纳米胶粉,继续超声处理10min,最后经真空干燥后制成粉末。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (3)
1.一种炼油厂废气吸收塔用填料清洗剂,其特征在于,由如下重量份数的原料制成:
火山灰15-20份、钠基膨润土15-20份、凹凸棒土10-15份、松香酸聚氧乙烯酯8-12份、分子筛原粉6-10份、聚丙烯酸钠6-10份、卡波树脂5-8份、微晶蜡5-8份、聚乙烯吡咯烷酮4-6份、六亚甲基四胺4-6份、鲸蜡醇3-5份、柠檬酸钾3-5份、硬脂酸镁2-3份、三聚磷酸钠2-3份、尿素1-2份、硫化猪油1-2份、丙酮150-200份、乙醇600-800份。
2.根据权利要求1所述的炼油厂废气吸收塔用填料清洗剂,其特征在于,所述凹凸棒土使用前经过预处理,其处理方法为:先将60-70份凹凸棒土和10-15份质量分数20%氯化钠水溶液加入120-150份乙醇中,加热至50-60℃后保温研磨30min,再加入8-11份聚丙烯酰胺和4-6份月桂醇聚氧乙烯醚,充分混合后先于微波频率2450MHz、功率800W下微波处理15min,再于超声频率40kHz、功率50W下超声处理15min,然后加入2-4份纳米陶瓷粉和3-5份纳米胶粉,继续超声处理10min,最后经真空干燥后制成粉末。
3.根据权利要求1所述的炼油厂废气吸收塔用填料清洗剂,其特征在于,其制备方法包括如下步骤:
(1)向丙酮中加入松香酸聚氧乙烯酯和微晶蜡,加热至回流状态保温10min,再加入钠基膨润土和硫化猪油,继续回流保温10min,即得物料I;
(2)向乙醇中加入卡波树脂和鲸蜡醇,混合均匀后于微波频率2450MHz、功率800W下微波处理10min,再加入聚丙烯酸钠和三聚磷酸钠,继续微波处理5min,即得物料II;
(3)向物料I中加入物料II、火山灰、凹凸棒土、分子筛原粉和尿素,混合均匀后于0-5℃下静置3h,最后加入聚乙烯吡咯烷酮、六亚甲基四胺、柠檬酸钾和硬脂酸镁,充分混合均匀。
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