CN105692994B - 一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法 - Google Patents

一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法 Download PDF

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CN105692994B
CN105692994B CN201610092502.0A CN201610092502A CN105692994B CN 105692994 B CN105692994 B CN 105692994B CN 201610092502 A CN201610092502 A CN 201610092502A CN 105692994 B CN105692994 B CN 105692994B
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孙秋新
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Abstract

本发明涉及一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其方法如下:(1)通过油水分离器进行油水初步分离,油相室内的物料流至油相收集室,水相室中得初料,(2) 初料输送至聚结分离器,并在聚结分离器中添加缓蚀剂,进行进一步油水分离,得二次物料,(3)输送至工艺水汽提塔,并添加磺化煤滤料,进行终滤;采用本发明所述的油水分离方法,可有效地解决工艺水系统易堵塞且水质差的问题,本大大提高生产装置的使用寿命,降低安全隐患,提高产品和水质质量。

Description

一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离 的方法
技术领域
本发明涉及易聚合物料的油水分离,特别是一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法。
背景技术
二乙烯基苯是一种十分有用的交联剂,广泛用于离子交换树脂、离子交换膜、ABS树脂、聚苯乙烯树脂、不饱和聚酯树脂、合成橡胶、木材加工、碳加工等。
由于二乙烯基苯具有两个乙烯基,一旦进入某个高温区域,二乙烯基苯极易发生聚合,生成三维结构的不溶聚合物,从而堵塞管路和设备,同时二乙苯脱氢制二乙烯基苯的反应是连续的,需要连续的进行油水分离,传统的油水分离技术大多是用于间歇性的油水分离,在连续的油水分离过程中分离效果一般,使得工艺水处理系统因为带油严重而堵塞,影响水质及正常生产。
发明内容
本发明的目的是针对现有技术的缺陷,提供一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,解决二乙苯脱氢制取二乙烯基苯反应装置的工艺水系统堵塞及水质差的问题。
本发明是通过如下的技术方案予以实现的:
一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其方法如下:
(1)将二乙苯脱氢制取二乙烯基苯反应后的油水混合物,通入油水分离器的入口,所述入口处设有挡板,所述油水分离器包括水相室和油相室,所述水相室和油相室之间设有隔板,所述隔板上设有缺口,控制油水分离器温度的温度为30-35℃,使油水分层,进行油水初步分离,所述水相室上设有油水界面液位计控制油水界面,使油相室内的物料流至油相收集室,水相室中得初料;
(2)将经步骤(1)后的初料输送至聚结分离器,并在聚结分离器中添加缓蚀剂,所述聚结分离器内设有聚滤芯和分离滤芯,初料流经聚滤芯,聚滤芯滤除初料中的固体杂质,初料中的小水滴聚结成较大水珠,聚结后的水珠靠自重沉降,流至集水槽;
初料中的剩余物料流经分离滤芯,所述分离滤芯具有亲油憎水性,进行进一步油水分离,得二次物料;
(3)将经步骤(1)后的二次物料输送至工艺水汽提塔,并在工艺水汽提塔中添加磺化煤滤料,进行终滤得高质水。
上述一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其中,所述油水混合物的体积为V1,所述油水分离器的容积为V2,所述V2=2V1。
上述一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其中,所述缓蚀剂为二乙苯。
本发明的有益效果为:
本发明入口处设有挡板起到缓冲流体冲击的作用;油水分离器温度的温度为30-35℃,是利用二乙烯基苯不溶于水的物料特性和密度差异,提高分离效果;缓蚀剂起到稀释延缓聚合的作用;经步骤(1)和步骤(2)后,二次物料基本为水相,且水相中的二乙烯基苯的含量大大减少,有效避免传统工艺水系统中堵塞的问题,得到的高质水方便循环利用和环境保护,从而大大提高了生产装置的使用寿命,降低安全隐患,提高了产品质量和生产效率。
附图说明
图1为本发明方法的工艺流程示意图。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。
聚滤芯和分离滤芯购自于固安县恒大滤洲过滤设备有限公司。
一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其方法如下:
(1)将二乙苯脱氢制取二乙烯基苯反应后的油水混合物,通入油水分离器1的入口2,所述油水混合物的体积为V1,所述油水分离器的容积为V2,所述V2=2V1,所述入口2处设有挡板3,所述油水分离器1包括水相室4和油相室5,所述水相室4和油相室5之间设有隔板6,所述隔板6上设有缺口7,控制油水分离器1温度的温度为30-35℃,使油水分层,进行油水初步分离,所述水相室4上设有油水界面液位计8控制油水界面,使油相室5内的物料流至油相收集室9,水相室4中得初料;
(2)将经步骤(1)后的初料输送至聚结分离器10,并在聚结分离器中添加缓蚀剂,所述缓蚀剂为二乙苯,所述聚结分离器10内设有聚滤芯11和分离滤芯12,初料流经聚滤芯11,聚滤芯11滤除初料中的固体杂质,初料中的小水滴聚结成较大水珠,聚结后的水珠靠自重沉降,流至集水槽13;
初料中的剩余物料流经分离滤芯12,所述分离滤芯12具有亲油憎水性,进行进一步油水分离,得二次物料;
(3)将经步骤(1)后的二次物料输送至工艺水汽提塔14,并在工艺水汽提塔中添加磺化煤滤料,进行终滤得高质水。
采用本发明所述的油水分离方法,可有效地解决工艺水系统易堵塞且水质差的问题,本大大提高生产装置的使用寿命,降低安全隐患,提高产品和水质质量。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围内。因此,本发明的保护范围应该以权利要求书的保护范围为准。

Claims (2)

1.一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其特征为,其方法如下:
(1)将二乙苯脱氢制取二乙烯基苯反应后的油水混合物,通入油水分离器的入口,所述入口处设有挡板,所述油水分离器包括水相室和油相室,所述水相室和油相室之间设有隔板,所述隔板上设有缺口,控制油水分离器的温度为30-35℃,使油水分层,进行油水初步分离,所述水相室上设有油水界面液位计控制油水界面,使油相室内的物料流至油相收集室,水相室中得初料;
(2)将经步骤(1)后的初料输送至聚结分离器,并在聚结分离器中添加缓蚀剂,所述缓蚀剂为二乙苯,所述聚结分离器内设有聚滤芯和分离滤芯,初料流经聚滤芯,聚滤芯滤除初料中的固体杂质,初料中的小水滴聚结成较大水珠,聚结后的水珠靠自重沉降,流至集水槽;
初料中的剩余物料流经分离滤芯,所述分离滤芯具有亲油憎水性,进行进一步油水分离,得二次物料;
(3)将经步骤(2 )后的二次物料输送至工艺水汽提塔,并在工艺水汽提塔中添加磺化煤滤料,进行终滤得高质水。
2.如权利要求1所述的一种应用于二乙苯脱氢制取二乙烯基苯反应装置的油水分离的方法,其特征为,所述油水混合物的体积为V1,所述油水分离器的容积为V2,所述V2=2V1。
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