CN207085817U - 一种连续混酸设备 - Google Patents
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Abstract
本实用新型提出了一种连续混酸设备，包括连续配酸车和橇装缓冲罐，所述连续配酸车包括底盘车和置于底盘车上的液添泵、原酸离心泵、清水离心泵、排出离心泵、混酸罐、酸碱罐、自动上料机和干粉添加装置，所述清水离心泵通过清水管汇与混酸罐相连，所述原酸离心泵通过原酸管汇连与混酸罐相连，所述混酸罐的罐顶内部设置有第一搅拌器和喷嘴，所述酸碱罐上设置有用于显示酸碱罐中酸碱性的酸碱指示器；所述橇装缓冲罐包括橇架和置于橇架上的缓冲罐、橇装发动机和离心泵，所述连续配酸车上的排出离心泵通过排出管汇与缓冲罐相连，所述缓冲罐内设置有第二搅拌器。通过连续配酸车和橇装缓冲罐的结合使用，实现了酸液的连续混配，同时通过混酸罐中配置除酸雾装置，有效去除酸液混合过程中产生的大量酸雾和泡沫，使整机的作业性能更加安全。
Description
技术领域
本实用新型涉及一种在油气田进行混酸作业使用的混酸设备，尤其涉及一种连续混酸设备。
背景技术
近年来，我国逐渐对致密油气藏、页岩气藏等非常规油气藏实施勘探开发，压裂增产技术逐步呈现水平井大规模、分段压裂的趋势。酸化压裂作为油田增产增注的一项重要技术,对碳酸盐岩油气田的增储上产有着十分关键的作用。目前施工中常用的配液方式多为施工前要将总液量提前配好，需要长时间占用大量的水罐、酸罐、配液设备以及其它辅助设备，为保证施工的进行，配液量多有富余，造成额外的成本浪费，且提前配好的酸液浓度是已定的，但地层情况是不确定的，酸液到达地层后的反馈很难达到施工设计的预想，现场调整酸液浓度困难大，酸液易挥发，对设备及管路腐蚀性较大，易对人体易造成伤害。
针对上述问题，本实用新型将连续配酸车和橇装缓冲罐结合使用，制造出一种可以连续混酸的设备，适用于大中型酸化压裂施工过程中酸液及各种添加剂的精确配比和输送作业，该设备可实现酸液施工当天的现场混合，酸液浓度及添加剂量可实现手动及自动调整，配备酸雾处理装置可及时回收搅拌过程中产生的酸雾，降低对设备及人体的损伤。酸液输送管路采用先进工艺有效避免原酸对管路的腐蚀，延长了设备的使用寿命。
实用新型内容
本实用新型提供一种连续混酸设备，实现酸液在作业现场的即混即用，通过混酸罐中除酸雾装置的设置避免了搅拌过程中酸雾的挥发，使整机的作业性能更加安全。
本实用新型是这样实现的：
一种连续混酸设备，包括连续配酸车和橇装缓冲罐，所述连续配酸车包括底盘车和置于底盘车上的液添泵、原酸离心泵、清水离心泵、排出离心泵、混酸罐、酸碱罐、自动上料机和干粉添加装置，所述清水离心泵通过清水管汇与混酸罐相连，所述原酸离心泵通过原酸管汇与混酸罐相连，所述混酸罐的罐顶内部设置有第一搅拌器和喷嘴，所述酸碱罐上设置有用于显示酸碱罐中酸碱性的酸碱指示器；所述橇装缓冲罐包括橇架和置于橇架上的缓冲罐、橇装发动机和离心泵，所述连续配酸车上的排出离心泵通过排出管汇与缓冲罐相连，所述缓冲罐内设置有第二搅拌器。
优选地，所述混酸罐为双层密封结构。
优选地，所述混酸罐的罐体顶部还设置有用于保证在液位急速上升和下降过程中罐内气压平衡的呼吸阀。
优选地，所述喷嘴为实心圆锥形喷嘴。
优选地，所述圆锥体的锥角为0-180°。
优选地，所述喷嘴的自由畅通直径为3mm-57mm。
优选地，所述清水管汇包括清水流量计和管道。
优选地，所述原酸管汇包括原酸流量计和管道。
优选地，所述排出管汇包括排出流量计和管道。
优选地，所述缓冲罐内部为迷宫型。
本实用新型的有益效果是：本实用新型通过连续配酸车和橇装缓冲罐的结合使用，实现了酸液的连续混配，同时通过混酸罐中配置除酸雾装置，有效去除酸液混合过程中产生的大量酸雾和泡沫，使整机的作业性能更加安全。
附图说明
图1是本实用新型的连续混酸设备的结构图
具体实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
实施例
一种连续混酸设备，如图1所示，包括连续配酸车和橇装缓冲罐，所述连续配酸车包括底盘车1和置于底盘车上1的液添泵4、原酸离心泵17、清水离心泵18、排出离心泵7、混酸罐5、酸碱罐14、自动上料机12和干粉添加装置13，所述清水离心泵18通过包括清水流量计15和管道的清水管汇与混酸罐5相连，所述原酸离心泵17通过包括原酸流量计16和管道的原酸管汇连与混酸罐5相连，所述混酸罐5的罐顶内部设置有第一搅拌器6和实心圆锥形的喷嘴20，喷嘴20的锥角为120°，自由畅通直径为10mm，所述酸碱罐14上设置有用于显示酸碱罐14中酸碱性的酸碱指示器19；所述橇装缓冲罐包括橇架2和置于橇架2上的缓冲罐8、橇装发动机和离心泵9，所述连续配酸车上的排出离心泵7通过包括排出流量计11和管道的排出管汇与缓冲罐8相连，所述缓冲罐8内为迷宫型且内部还设置有第二搅拌器10。
作业过程中，发动机驱动液压系统清水离心泵18和原酸离心泵17分别将外界的清水和原酸溶液通过清水管汇和原酸管汇输送至混酸罐5中，液体注入到混酸罐5中后，在第一搅拌器6的搅拌下，原酸溶液和清水均匀混合。混合过程中可根据工艺要求分别通过液添泵4、干粉添加装置13按比例向混酸罐5中添加液体添加剂和干粉添加剂，实现酸液浓度的自动控制。混合均匀后酸液通过排出离心泵7排出至缓冲罐8中，缓冲罐8中的第二搅拌器10进行搅拌，经过溶胀后，经离心泵9排出至下游设备。液添泵4可从外界吸液直接将外界的液体添加剂加至混酸罐5中也可泵送至稠化剂罐3中，自动上料机12可将地面的添加剂袋或桶通过上料平台输送至操作平台上方，再添加到干粉添加装置13中。
设备采用双层密封结构的混酸罐5，罐体内层采用耐腐蚀玻璃钢材质满足耐腐蚀的要求，外层采用金属外壳保证罐体的强度，增加罐体耐腐蚀性急稳定性；混酸罐5的罐体顶部还设计有呼吸阀保证在液位急速上升和下降过程中罐内气压平衡。在作业过程中混酸罐5中产生的酸雾通过罐顶部配置的实心圆锥形喷嘴20，实现罐顶部区域的全覆盖，可有效去除酸液混合过程中产生的大量酸雾和泡沫，经过一级喷淋去酸雾系统后残余的酸雾通过负压作用进入到酸碱罐中14进行中和，进一步去除系统中产生的酸雾。酸碱罐上安装有酸碱指示器19，可根据酸碱指示器19的显示确定内部液体的更换周期。整车副梁底部全封闭结构，可实现残余废液的集中收集，避免酸液滴漏对底盘设备本体的腐蚀，延长设备的使用寿命。
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。
Claims (10)
1.一种连续混酸设备，其特征在于：包括，
连续配酸车，所述连续配酸车包括底盘车和置于底盘车上的液添泵、原酸离心泵、清水离心泵、排出离心泵、混酸罐、酸碱罐、自动上料机和干粉添加装置，所述清水离心泵通过清水管汇与混酸罐相连，所述原酸离心泵通过原酸管汇连与混酸罐相连，所述混酸罐的罐顶内部设置有第一搅拌器和喷嘴，所述酸碱罐上设置有用于显示酸碱罐中酸碱性的酸碱指示器；
橇装缓冲罐，所述橇装缓冲罐包括橇架和置于橇架上的缓冲罐、橇装发动机和离心泵，所述连续配酸车上的排出离心泵通过排出管汇与缓冲罐相连，所述缓冲罐内设置有第二搅拌器。
2.如权利要求1所述的连续混酸设备，其特征在于：所述混酸罐为双层密封结构。
3.如权利要求2所述的连续混酸设备，其特征在于：所述混酸罐的罐体顶部还设置有用于保证在液位急速上升和下降过程中罐内气压平衡的呼吸阀。
4.如权利要求1所述的连续混酸设备，其特征在于：所述喷嘴为实心圆锥形喷嘴。
5.如权利要求4所述的连续混酸设备，其特征在于：所述圆锥体的锥角为0-180°。
6.如权利要求5所述的连续混酸设备，其特征在于：所述喷嘴的自由畅通直径为3mm-57mm。
7.如权利要求1所述的连续混酸设备，其特征在于：所述清水管汇包括清水流量计和管道。
8.如权利要求1所述的连续混酸设备，其特征在于：所述原酸管汇包括原酸流量计和管道。
9.如权利要求1所述的连续混酸设备，其特征在于：所述排出管汇包括排出流量计和管道。
10.如权利要求1所述的连续混酸设备，其特征在于：所述缓冲罐内部为迷宫型。
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