CN106947618A - 废硫酸裂解再生装置用废硫酸喷枪清洗剂 - Google Patents
废硫酸裂解再生装置用废硫酸喷枪清洗剂 Download PDFInfo
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Abstract
本发明公开了一种废硫酸裂解再生装置用废硫酸喷枪清洗剂,涉及石油化工技术领域,由如下重量份数的原料制成:亲水***联聚维酮15‑20份、聚氧化乙烯5‑10份、***型聚乙烯醇3‑6份、羟丙基二淀粉磷酸酯3‑6份、泊洛沙姆2‑4份、火山灰2‑4份、聚苯乙烯磺酸钠2‑4份、糯米粉1‑2份、聚乙二醇6000 1‑2份、田菁胶0.5‑1份、柠檬酸三丁酯0.5‑1份、松香酸钠0.5‑1份、水150‑200份。本发明所制清洗剂无毒无害,使用方便,使用该清洗剂冲洗一次后即可对喷枪进行有效清洗,其清洗率达到99%以上。
Description
技术领域:
本发明涉及石油化工技术领域,具体涉及一种废硫酸裂解再生装置用废硫酸喷枪清洗剂。
背景技术:
在石油化工生产中,经常使用高浓度的硫酸作为催化剂或进行吸收净化、洗涤等,在其过程中的水分、硫、氮化合物以及副反应物不断进入酸相,使硫酸浓度逐渐降低,最终满足不了生产工艺的要求,这是就会逐步将这些含有大量杂质的硫酸废液排出,被排出的这些废液被称为废硫酸。
废硫酸中的硫酸通过高温裂解生成二氧化硫和水,而二氧化硫再经氧化生成三氧化硫,再利用98.5%硫酸吸收生成的三氧化硫,从而实现废硫酸的裂解再生。在裂解装置中,通常采用喷枪将废硫酸喷入,以提高废硫酸的均匀受热性,从而增大二氧化硫的生成量。但由于废硫酸中含有大量杂质,经共混后形成粘度较大的混合物,这些混合物容易堵塞喷枪的内部孔道,从而降低生产效率,并且会缩短喷枪的使用寿命,因此需要对喷枪进行定期清洗。
发明内容:
本发明所要解决的技术问题在于提供一种使用方便、清洗效果好且不会产生腐蚀现象的废硫酸裂解再生装置用废硫酸喷枪清洗剂。
本发明所要解决的技术问题采用以下的技术方案来实现:
废硫酸裂解再生装置用废硫酸喷枪清洗剂,由如下重量份数的原料制成:
亲水***联聚维酮15-20份、聚氧化乙烯5-10份、***型聚乙烯醇3-6份、羟丙基二淀粉磷酸酯3-6份、泊洛沙姆2-4份、火山灰2-4份、聚苯乙烯磺酸钠2-4份、糯米粉1-2份、聚乙二醇60001-2份、田菁胶0.5-1份、柠檬酸三丁酯0.5-1份、松香酸钠0.5-1份、水150-200份。
其制备方法包括如下步骤:
(1)向水中加入聚氧化乙烯、聚乙二醇6000和田菁胶,并加热至回流状态保温混合10-15min,再加入泊洛沙姆和糯米粉,继续回流保温混合5-10min,即得物料I;
(2)向***型聚乙烯醇中加入羟丙基二淀粉磷酸酯和柠檬酸三丁酯,并加热至110-120℃保温混合10-15min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入火山灰和松香酸钠,充分混合后保温静置15-30min,即得物料II;
(3)向物料I中加入亲水***联聚维酮、聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10-15min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
所述亲水***联聚维酮由交联聚维酮经亲水改性而成,其改性方法为:将15-20份交联聚维酮加入3-5倍重量份的40-50℃水中,充分混合后静置1h,再加热至回流状态保温混合15min,然后加入1-2份阴离子聚丙烯酰胺、0.5-1份水解聚马来酸酐和0.5-1份亲水性气相二氧化硅,继续加热至回流状态保温混合10min,所得混合物转入0-5℃环境中静置3h,随后送入喷雾干燥机中,向所得颗粒中加入0.5-1份氢化蓖麻油和0.1-0.2份乳化硅油,并加热至70-80℃保温混合10min,最后经超微粉碎机制成粉末。
本发明的有益效果是:本发明所制清洗剂无毒无害,使用方便,使用该清洗剂冲洗一次后即可对喷枪进行有效清洗,其清洗率达到99%以上,再用清水对喷枪冲洗一次,即可有效除去附着在喷枪内部的清洗剂,对清洗剂的清洗率达到99.5%以上,并可将喷枪的清洗率提高到99.5%以上。
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份水中加入6份聚氧化乙烯、2份聚乙二醇6000和0.5份田菁胶,并加热至回流状态保温混合15min,再加入2份泊洛沙姆和1份糯米粉,继续回流保温混合5min,即得物料I;
(2)向3份***型聚乙烯醇中加入3份羟丙基二淀粉磷酸酯和0.5份柠檬酸三丁酯,并加热至110-120℃保温混合15min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入2份火山灰和0.5份松香酸钠,充分混合后保温静置15min,即得物料II;
(3)向物料I中加入20份亲水***联聚维酮、2份聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
亲水***联聚维酮的制备:将20份交联聚维酮加入5倍重量份的40-50℃水中,充分混合后静置1h,再加热至回流状态保温混合15min,然后加入1份阴离子聚丙烯酰胺、1份水解聚马来酸酐和0.5份亲水性气相二氧化硅,继续加热至回流状态保温混合10min,所得混合物转入0-5℃环境中静置3h,随后送入喷雾干燥机中,向所得颗粒中加入0.5份氢化蓖麻油和0.2份乳化硅油,并加热至70-80℃保温混合10min,最后经超微粉碎机制成粉末。
实施例2
(1)向200份水中加入8份聚氧化乙烯、1份聚乙二醇6000和0.5份田菁胶,并加热至回流状态保温混合15min,再加入3份泊洛沙姆和1份糯米粉,继续回流保温混合5min,即得物料I;
(2)向5份***型聚乙烯醇中加入3份羟丙基二淀粉磷酸酯和0.5份柠檬酸三丁酯,并加热至110-120℃保温混合10min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入2份火山灰和0.5份松香酸钠,充分混合后保温静置15min,即得物料II;
(3)向物料I中加入20份亲水***联聚维酮、2份聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
亲水***联聚维酮的制备:将20份交联聚维酮加入5倍重量份的40-50℃水中,充分混合后静置1h,再加热至回流状态保温混合15min,然后加入1份阴离子聚丙烯酰胺、0.5份水解聚马来酸酐和0.5份亲水性气相二氧化硅,继续加热至回流状态保温混合10min,所得混合物转入0-5℃环境中静置3h,随后送入喷雾干燥机中,向所得颗粒中加入0.5份氢化蓖麻油和0.2份乳化硅油,并加热至70-80℃保温混合10min,最后经超微粉碎机制成粉末。
对照例1
(1)向200份水中加入8份聚氧化乙烯、1份聚乙二醇6000和0.5份田菁胶,并加热至回流状态保温混合15min,再加入3份泊洛沙姆和1份糯米粉,继续回流保温混合5min,即得物料I;
(2)向5份***型聚乙烯醇中加入3份羟丙基二淀粉磷酸酯和0.5份柠檬酸三丁酯,并加热至110-120℃保温混合10min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入2份火山灰和0.5份松香酸钠,充分混合后保温静置15min,即得物料II;
(3)向物料I中加入20份交联聚维酮、2份聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
对照例2
(1)向200份水中加入8份聚氧化乙烯、1份聚乙二醇6000和0.5份田菁胶,并加热至回流状态保温混合15min,再加入3份泊洛沙姆和1份糯米粉,继续回流保温混合5min,即得物料I;
(2)向5份***型聚乙烯醇中加入3份羟丙基二淀粉磷酸酯和0.5份柠檬酸三丁酯,并加热至110-120℃保温混合10min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入2份火山灰和0.5份松香酸钠,充分混合后保温静置15min,即得物料II;
(3)向物料I中加入2份聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
实施例3
将等量实施例1、实施例2、对照例1和对照例2所制清洗剂用于废硫酸裂解再生装置用喷枪的污垢清洗,再用等量清水对喷枪冲洗一次,并对清洗效果进行测定,结果如表1所示。
表1所制1清洗剂的清洗效果
结果显示,使用实施例1和实施例2所制清洗剂冲洗一次后即可对喷枪进行有效清洗,其清洗率达到99%以上,再用清水对喷枪冲洗一次,即可有效除去附着在喷枪内部的清洗剂,对清洗剂的清洗率达到99.5%以上,并可将喷枪的清洗率提高到99.5%以上。
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.废硫酸裂解再生装置用废硫酸喷枪清洗剂,其特征在于,由如下重量份数的原料制成:
亲水***联聚维酮15-20份、聚氧化乙烯5-10份、***型聚乙烯醇3-6份、羟丙基二淀粉磷酸酯3-6份、泊洛沙姆2-4份、火山灰2-4份、聚苯乙烯磺酸钠2-4份、糯米粉1-2份、聚乙二醇6000 1-2份、田菁胶0.5-1份、柠檬酸三丁酯0.5-1份、松香酸钠0.5-1份、水150-200份。
2.根据权利要求1所述的废硫酸裂解再生装置用废硫酸喷枪清洗剂,其特征在于,其制备方法包括如下步骤:
(1)向水中加入聚氧化乙烯、聚乙二醇6000和田菁胶,并加热至回流状态保温混合10-15min,再加入泊洛沙姆和糯米粉,继续回流保温混合5-10min,即得物料I;
(2)向***型聚乙烯醇中加入羟丙基二淀粉磷酸酯和柠檬酸三丁酯,并加热至110-120℃保温混合10-15min,所得混合物以10-15℃/min的速度冷却降温,待温度降至50-60℃后加入火山灰和松香酸钠,充分混合后保温静置15-30min,即得物料II;
(3)向物料I中加入亲水***联聚维酮、聚苯乙烯磺酸钠和物料II,并加热至回流状态保温混合10-15min,最后将所得混合物送入球磨机中,球磨至细度小于10μm。
3.根据权利要求1或2所述的废硫酸裂解再生装置用废硫酸喷枪清洗剂,其特征在于:所述亲水***联聚维酮由交联聚维酮经亲水改性而成,其改性方法为:将15-20份交联聚维酮加入3-5倍重量份的40-50℃水中,充分混合后静置1h,再加热至回流状态保温混合15min,然后加入1-2份阴离子聚丙烯酰胺、0.5-1份水解聚马来酸酐和0.5-1份亲水性气相二氧化硅,继续加热至回流状态保温混合10min,所得混合物转入0-5℃环境中静置3h,随后送入喷雾干燥机中,向所得颗粒中加入0.5-1份氢化蓖麻油和0.1-0.2份乳化硅油,并加热至70-80℃保温混合10min,最后经超微粉碎机制成粉末。
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