CN114772753B - 一种冷却水***用高效无磷预膜剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种冷却水***用高效无磷预膜剂及其制备方法,所述高效无磷预膜剂包括按重量份数计的如下组分:改性聚环氧琥珀酸10‑20份、聚葡萄糖1‑3份、磺酸共聚物5‑15份、渗透剂0.02‑0.05份、改性丙烯酸聚合物15‑30份、去离子水35‑70份。本发明制备的冷却水***用高效无磷预膜剂对煤化工循环冷却水***及电厂循环冷却水***化学清洗、预膜处理中具有优异的预膜效果,具有预膜速度快、预膜效果好、所预膜持续时间久、将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差大于等于15s及冷却水***适应性强等特点,能广泛应用冷却水***清洗预膜药剂市场领域,具有广阔的市场前景。
Description
技术领域
本发明涉及水处理用清洗预膜剂制备技术领域,具体为一种冷却水***用高效无磷预膜剂及其制备方法。
背景技术
目前水处理市场领域,冷却水的清洗预膜是***运行过程中必不少的,较常见的清洗预膜有无磷、含磷及铜系预膜等,随着冷却水***运行中对所用药剂无磷化的需求越来越大,减少水体富营养化,进而无磷预膜剂的需求越来越大,无磷药剂市场份额占比越来越高。一种冷却水***用高效无磷预膜剂对煤化工循环冷却水***及电厂循环冷却水***化学清洗、预膜处理中具有优异的预膜效果,具有预膜速度快、预膜效果好、所预膜持续时间久、将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差应≥15s及冷却水***适应性强等特点,通过接枝共聚及官能团功效互补达到最优预膜效果,能广泛应用冷却水***清洗预膜药剂市场领域,具有广阔的市场前景。
发明内容
针对相关技术中的问题,本发明提出的一种冷却水***用高效无磷预膜剂及其制备方法,以克服现有相关技术所存在的上述技术问题,本发明的目的是煤化工循环冷却水***及电厂循环冷却水***化学清洗、预膜处理中具有优异的预膜效果,具有预膜速度快、预膜效果好、所预膜持续时间久、将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差大于等于15s及冷却水***适应性强等特点,能广泛应用冷却水***清洗预膜药剂市场领域,具有广阔的市场前景。
为实现上述目的,本发明提供如下技术方案:
一种冷却水***用高效无磷预膜剂,包括按重量份数计的如下组分:
改性聚环氧琥珀酸10-20份,聚葡萄糖1-3份,磺酸共聚物5-15份,渗透剂0.02-0.05份,改性丙烯酸聚合物15-30份,去离子水35-70份。
优选的,所述改性聚环氧琥珀酸的有效含量≥35.0%。
优选的,所述聚葡萄糖的有效含量≥90.0%。
优选的,所述磺酸共聚物为环己基氨基磺酸钠,所述环己基氨基磺酸钠的含量为98.0-101.0%。
通过采用上述技术方案:以干基计,所述环己基氨基磺酸钠的含量为98.0-101.0%。
优选的,所述渗透剂为生物渗透剂。
优选的,所述改性丙烯酸聚合物固体含量的质量分数为≥40.0%。
通过采用上述技术方案:
其应用的方式为:适用于当冷却水出现换热器出水温差变下即换热效率降低,冷却水***出现问题例如***结垢、***腐蚀及出现黏泥吸附后产生黏泥下结垢及腐蚀情况,影响***的正常运行,对冷却水***进行化学清洗、预膜。采取连续性投加及冲击性投加两种方式,连续性投加加药浓度控制在5-8ppm,冲击性投加加药浓度控制在100-200ppm。
为实现上述目的,本发明还提供如下技术方案:
一种冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
步骤一:依次称取改性聚环氧琥珀酸、聚葡萄糖、环己基氨基磺酸钠、渗透剂、改性丙烯酸聚合物、去离子水;
步骤二:向反应器中加入改性聚环氧琥珀酸、环己基氨基磺酸钠及部分去离子水,搅拌均匀,升温至50℃;
步骤三:采用自动控制上料泵,加入聚葡萄糖,再补加部分去离子水,进行升温操作,升温到40℃,同时开启搅拌进行分散,搅拌1h,降温至25℃;
步骤四:降温完成后加入渗透剂进行分散0.5h,随后加入改性丙烯酸聚合物及部分去离子水,搅拌均匀即可;
步骤五:搅拌均匀后,进行过滤放料操作,采用100目滤网过滤,过滤封装后保存于储藏罐中,得到高效无磷预膜剂。
与现有技术相比,本发明的有益效果是:
(1)本发明为一种冷却水***用高效无磷预膜剂及其制备方法,本发明的高效无磷预膜剂满足无磷化预膜的需求,减少水体富营养化,预膜速度快、预膜效果好、所预膜持续时间久、将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差应大于等于15s;
(2)本发明为一种冷却水***用高效无磷预膜剂及其制备方法,本发明通过接枝共聚及官能团功效互补达到最优预膜效果;
(3)本发明为一种冷却水***用高效无磷预膜剂及其制备方法,本发明对碳钢、不锈钢、及铜材冷却水***均具有较强的适应性,能广泛应用冷却水***清洗预膜药剂市场领域,具有广阔的市场前景。
具体实施方式
下面将结合本发明实施例,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它实施例,都属于本发明保护的范围。
实施例1
本发明提供一种冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
一种冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
步骤一:依次称取改性聚环氧琥珀酸150kg、聚葡萄糖1kg、环己基氨基磺酸钠50kg、渗透剂3kg、改性丙烯酸聚合物150kg、去离子水650kg;
步骤二:向反应器中加入改性聚环氧琥珀酸150kg、环己基氨基磺酸钠50kg及去离子水300kg,搅拌均匀,升温至50℃;
步骤三:采用自动控制上料泵,加入聚葡萄糖1kg,再补加去离子水50kg,进行升温操作,升温到40℃,同时开启搅拌进行分散,搅拌1h,降温至25℃;
步骤四:降温完成后加入渗透剂3kg进行分散0.5h,随后加入改性丙烯酸聚合物150kg及部分去离子水300kg,搅拌均匀即可;
步骤五:搅拌均匀后,进行过滤放料操作,采用100目滤网过滤,过滤封装后保存于储藏罐中,得到高效无磷预膜剂。
按照大型化工企业循环冷却水现场工况,运行一年后需进行清洗预膜,配合化学清洗及黏泥剥离工艺,清洗完成后立即进行预膜,形成一个清洁活化的金属表面。预膜温度为常温,最佳20-30℃,预膜水流速>1.0m/s,采取冲击性投加方式,冲击性投加加药浓度控制在150ppm,时间控制为2h。将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差≥15s。
实施例2
本发明提供一种冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
一种冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
步骤一:依次称取改性聚环氧琥珀酸200kg、聚葡萄糖3kg、环己基氨基磺酸钠80kg、渗透剂5kg、改性丙烯酸聚合物1200kg、去离子水520kg;
步骤二:向反应器中加入改性聚环氧琥珀酸200kg、环己基氨基磺酸钠80kg及去离子水350kg,搅拌均匀,升温至50℃;
步骤三:采用自动控制上料泵,加入聚葡萄糖3kg,再补加去离子水70kg,进行升温操作,升温到40℃,同时开启搅拌进行分散,搅拌1h,降温至25℃;
步骤四:降温完成后加入渗透剂5kg进行分散0.5h,随后加入改性丙烯酸聚合物200kg及部分去离子水100kg,搅拌均匀即可;
步骤五:搅拌均匀后,进行过滤放料操作,采用100目滤网过滤,过滤封装后保存于储藏罐中,得到高效无磷预膜剂。
按照大型石油化工企业循环冷却水现场工况,运行期间出现腐蚀现象导致泄漏情况出现,需进行清洗预膜,配合化学清洗、氧化性杀菌剂投加、黏泥剥离及旁滤置换工艺,清洗置换后立即预膜,形成一个清洁活化的金属表面。预膜温度为常温,最佳20-30℃,预膜水流速>1.0m/s,采取冲击性投加方式,冲击性投加加药浓度控制在250ppm,时间控制为2h。将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差≥15s。
将实施例1-2进行检验,所检验的结果如表1。
表1
由表1可得知,本发明制备的循环水用高效无磷预膜剂检验的结果均符合国家标准,对煤化工循环冷却水***及电厂循环冷却水***化学清洗、预膜处理中具有优异的预膜效果,具有预膜速度快、预膜效果好、所预膜持续时间久、将试膜液滴在挂片蓝紫色色晕明显的部位,膜对硫酸铜试膜液反应变色时间差≥15s及冷却水***适应性强等特点。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种冷却水***用高效无磷预膜剂,其特征在于,按重量份数计的如下组分制备而成:
改性聚环氧琥珀酸10-20份,聚葡萄糖1-3份,磺酸共聚物5-15份,渗透剂0.02-0.05份,改性丙烯酸聚合物15-30份,去离子水35-70份;所述磺酸共聚物为环己基氨基磺酸钠;
所述改性聚环氧琥珀酸的有效含量≥35.0%;
所述聚葡萄糖的有效含量≥90.0%;
冷却水***用高效无磷预膜剂的制备方法,包括以下步骤:
步骤一:依次称取改性聚环氧琥珀酸、聚葡萄糖、环己基氨基磺酸钠、渗透剂、改性丙烯酸聚合物、去离子水;
步骤二:向反应器中加入改性聚环氧琥珀酸、环己基氨基磺酸钠及部分去离子水,搅拌均匀,升温至50℃;
步骤三:采用自动控制上料泵,加入聚葡萄糖,再补加部分去离子水,进行升温操作,升温到40℃,同时开启搅拌进行分散,搅拌1h,降温至25℃;
步骤四:降温完成后加入渗透剂进行分散0.5h,随后加入改性丙烯酸聚合物及部分去离子水,搅拌均匀即可;
步骤五:搅拌均匀后,进行过滤放料操作,采用100目滤网过滤,过滤封装后保存于储藏罐中,得到高效无磷预膜剂。
2.根据权利要求1所述的一种冷却水***用高效无磷预膜剂,其特征在于,所述渗透剂为生物渗透剂。
3.根据权利要求1所述的一种冷却水***用高效无磷预膜剂,其特征在于,所述改性丙烯酸聚合物固体含量的质量分数为≥40.0%。
4.一种如权利要求1-3任一项所述的冷却水***用高效无磷预膜剂的制备方法,其特征在于,包括以下步骤:
步骤一:依次称取改性聚环氧琥珀酸、聚葡萄糖、环己基氨基磺酸钠、渗透剂、改性丙烯酸聚合物、去离子水;
步骤二:向反应器中加入改性聚环氧琥珀酸、环己基氨基磺酸钠及部分去离子水,搅拌均匀,升温至50℃;
步骤三:采用自动控制上料泵,加入聚葡萄糖,再补加部分去离子水,进行升温操作,升温到40℃,同时开启搅拌进行分散,搅拌1h,降温至25℃;
步骤四:降温完成后加入渗透剂进行分散0.5h,随后加入改性丙烯酸聚合物及部分去离子水,搅拌均匀即可;
步骤五:搅拌均匀后,进行过滤放料操作,采用100目滤网过滤,过滤封装后保存于储藏罐中,得到高效无磷预膜剂。
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