CN113620440A - 一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法 - Google Patents

一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法 Download PDF

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CN113620440A
CN113620440A CN202110906515.8A CN202110906515A CN113620440A CN 113620440 A CN113620440 A CN 113620440A CN 202110906515 A CN202110906515 A CN 202110906515A CN 113620440 A CN113620440 A CN 113620440A
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scale
corrosion
transportation equipment
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oil extraction
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李劭乾
刘澍
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Loncent Environmental Technology Shandong Co ltd
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Abstract

本发明公开一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法，该用于采油输油设备析垢除垢的缓蚀阻垢剂由以下原料组成：双咪唑啉季铵盐15‑40％、苯并三氮唑0.2％‑1％、聚环氧琥珀酸25％‑45％、助溶剂5％‑15％，该制备方法具体包括以下步骤：步骤一：将聚环氧琥珀酸、双咪唑啉季铵盐、水，常温下按照配比依次加入反应釜中，进行搅拌；步骤二：此后加入苯并三氮唑、助溶剂搅拌使其完全溶解，继续搅拌，混匀后静置，得到缓蚀阻垢剂；本发明适用油田输油设备运行条件，阻垢和缓蚀性能均优异，各组分之间具有良好的协同性，不易分解，具有优异的缓蚀阻垢性能，本发明的复合剂成本低，容易复配，稳定性好，用量低。

Description

一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法
技术领域
本发明涉及化学清洗剂领域，涉及一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法。
背景技术
在油田采油输油过程中，管道及附属设备中会产生大量的垢附着在设备表面，造成管道堵塞，输送能力降低，影响正常生产运行；为了除垢，目前国内普遍采用物理清洗、化学清洗等方法，无法使垢质变软、变松，无法更彻底、更快捷的进行清洗。
发明内容
本发明的目的在于提供一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法，解决了传统的目前国内普遍采用物理清洗、化学清洗等方法，无法使垢质变软、变松，无法更彻底、更快捷的进行清洗的技术问题；本发明中，适用油田输油设备运行条件，阻垢和缓蚀性能均优异；各组分之间具有良好的协同性，不易分解，具有优异的缓蚀阻垢性能；本发明的复合剂成本低，容易复配，稳定性好，用量低；适用pH值在2—4范围内，具有自适自控功能。
本发明的目的可以通过以下技术方案实现：
一种用于采油输油设备析垢除垢的缓蚀阻垢剂，该用于采油输油设备析垢除垢的缓蚀阻垢剂由以下原料组成：双咪唑啉季铵盐15-40％、苯并三氮唑0.2％-1％、聚环氧琥珀酸25％-45％、助溶剂5％-15％；
一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，该制备方法具体包括以下步骤：
步骤一：将聚环氧琥珀酸、双咪唑啉季铵盐、水，常温下按照配比依次加入反应釜中，进行搅拌；
步骤二：此后加入苯并三氮唑、助溶剂搅拌使其完全溶解，继续搅拌，混匀后静置，得到缓蚀阻垢剂。
进一步，所述步骤一中和步骤二中混合搅拌的时间均为27-33min。
进一步，所述助溶剂为醋酸和异丙醇组成，醋酸和异丙醇的配比为2:1。
本发明的有益效果：
1、适用油田输油设备运行条件，阻垢和缓蚀性能均优异；
2、各组分之间具有良好的协同性，不易分解，具有优异的缓蚀阻垢性能；
3、本发明的复合剂成本低，容易复配，稳定性好，用量低；
4、适用pH值在2—4范围内，具有自适自控功能。
具体实施方式
下面将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作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。
实施例一。
一种用于采油输油设备析垢除垢的缓蚀阻垢剂，该用于采油输油设备析垢除垢的缓蚀阻垢剂由以下原料组成：双咪唑啉季铵盐15-40％、苯并三氮唑0.2％-1％、聚环氧琥珀酸25％-45％、助溶剂5％-15％；
双咪唑啉季铵盐，无特殊的刺激性气味，热稳定性好，毒性低，具有良好的生物降解性，利于环保，合成的双咪唑啉季铵盐其分子覆盖能力强，缓蚀效率高；
聚环氧琥珀酸，是一种无磷无氮的绿色水处理剂，它是在聚马来酸类阻垢剂的分子中插入氧分子，使其具有良好的阻垢性能，对钙螯合能力强，又无磷无氮、易于生物降解，适用于高碱、高硬、高PH值条件下的冷却水系统，该类分散剂是一种兼具缓蚀性能的高效阻垢分散剂。
苯并三氮唑(BTA)，它的负离子和亚铜离子形成一种不溶性的极稳定的络合物，这种络合物吸附在金属表面上，形成了一层稳定、惰性的保护膜从而使金属得到了保护，它对抑制铜腐蚀具有很好的效果，尤其是在闭路水系统中缓蚀效果最佳。
一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，该制备方法具体包括以下步骤：
步骤一：将聚环氧琥珀酸、双咪唑啉季铵盐、水，常温下按照配比依次加入反应釜中，进行搅拌；
步骤二：此后加入苯并三氮唑、助溶剂搅拌使其完全溶解，继续搅拌，混匀后静置，得到缓蚀阻垢剂。
步骤一中和步骤二中混合搅拌的时间均为27-33min。
助溶剂为醋酸和异丙醇组成，醋酸和异丙醇的配比为2:1。
实施例二。
各组分配比见下表：
Figure BDA0003201870730000031
一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，该制备方法具体包括以下步骤：
步骤一：将聚环氧琥珀酸、双咪唑啉季铵盐、水，常温下按照配比依次加入反应釜中，进行搅拌30min；
步骤二：此后加入苯并三氮唑、助溶剂搅拌使其完全溶解，继续搅拌，混匀后静置，得到缓蚀阻垢剂min。
基于上述实施例，在不同配方下的碳钢腐蚀率如下表：
加药量30mg/l 配方A 配方B 配方C 配方D
碳钢mm/a 0.0265 0.0245 0.0232 0.0278
可以得到配方C的碳钢腐蚀率较其他组略好；
基于配方C，在不同投加浓度下的碳钢腐蚀率如下表：
加药量mg/l 0 25 30 35
碳钢mm/a 0.9881 0.0834 0.0232 0.0187
从上表可以得到，未投加药剂的碳钢挂片腐蚀严重，配方C投加量在30mg/l时，碳钢腐蚀速率为0.0232mm/a；
基于上述实施例，为不同配方下的阻垢效果如下表：
Figure BDA0003201870730000041
从上表可以得到的结果看各组配方都具有良好的阻垢效果。
基于上述实施例，生产现场采油输油设备除垢实验：
Figure BDA0003201870730000042
在上述水质条件下，生产现场水温60-70℃之间，使用本发明复合剂，进行现场跟踪实际使用效果，运行时间28天，对碳钢腐蚀速率可达0.0359mm/a，并打开循环水运行管道查看并未发现结垢想象，现场使用效果良好。
本发明的优点是：
各组分之间具有良好的协同性，使得复合药剂具有优异的缓蚀和阻垢性能。
特别适用于高炉闭路水质条件为高硬度、高碱度、高温度的水质。
本发明的复合剂组分容易复配，稳定性好，成本低，在操作和管理上十分方便，有利于确保处理效果。
本发明的复合剂属于无磷药剂，兼有抑制微生物作用，在高温条件下性能稳定，另外复合剂不含有毒物质，因此本发明复合剂有利于环境保护。
本发明针对采油输油设备析垢除垢，既适用高硬度、高碱度和高温度水质条件，又具有很高阻垢性能和缓蚀效果，对于常规采油输油设备使用缓蚀阻垢剂很难达到这样的效果，只有本发明的复合缓蚀阻垢剂能满足这种要求并达到很好的效果。
以上内容仅仅是对本发明的构思所作的举例和说明，所属本技术领域的技术人员对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，只要不偏离发明的构思或者超越本权利要求书所定义的范围，均应属于本发明的保护范围。

Claims (4)

1.一种用于采油输油设备析垢除垢的缓蚀阻垢剂，其特征在于：该用于采油输油设备析垢除垢的缓蚀阻垢剂由以下原料组成：双咪唑啉季铵盐15-40％、苯并三氮唑0.2％-1％、聚环氧琥珀酸25％-45％、助溶剂5％-15％。
2.一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，其特征在于，该制备方法具体包括以下步骤：
步骤一：将聚环氧琥珀酸、双咪唑啉季铵盐、水，常温下按照配比依次加入反应釜中，进行搅拌；
步骤二：此后加入苯并三氮唑、助溶剂搅拌使其完全溶解，继续搅拌，混匀后静置，得到缓蚀阻垢剂。
3.根据权利要求2所述的一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，其特征在于：所述步骤一中和步骤二中混合搅拌的时间均为27-33min。
4.根据权利要求1所述的一种用于采油输油设备析垢除垢的缓蚀阻垢剂的制备方法，其特征在于：所述助溶剂为醋酸和异丙醇组成，醋酸和异丙醇的配比为2:1。
CN202110906515.8A 2021-08-09 2021-08-09 一种用于采油输油设备析垢除垢的缓蚀阻垢剂及制备方法 Pending CN113620440A (zh)

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