CN208746733U - 一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋 - Google Patents
一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋 Download PDFInfo
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Abstract
本实用新型涉及一种油气田压裂作业现场用具,具体地说是一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,包括袋体和放料装置,放料装置包括底绳、底盖布、卸料筒和控制绳索,袋体下端部设置供底绳穿过的套体,底绳穿过套体形成出料口,卸料筒与袋体连接并穿过出料口,底盖布分固定端和自由端,底盖布的固定端与袋体的底部连接,底盖布的自由端设置有控制绳索穿绳套,控制绳索穿过控制绳索穿绳套和锁扣纵向延伸至袋体的上部,锁扣可以将控制绳索收紧和松开,从而实现底盖布的闭合和分开,进而实现了袋体底部卸料装置的闭合和打开。本实用新型免除人工破袋,可以重复使用,节省了大量的作业成本。
Description
技术领域
本实用新型涉及一种油气田压裂作业现场用具,具体地说是一种在油气田压裂作业现场储运和释放压裂支撑剂的专用免破吨袋。
背景技术
在中国的页岩气、致密油等非常规油气田压裂作业现场,一直都是采用吨袋储藏和运输压裂支撑剂,然后在作业现场通过“破袋器”或者“人工手动破袋”的方式将吨袋的底部扎破,然后吨袋内的压裂支撑剂从吨袋底部的被扎破的开口流出,投料给下游设备。
该作业模式的缺点表现在两方面,一是当吨袋被扎破时,吨袋自身的碎屑会夹杂在压裂支撑剂中带入下游设备内,对压裂支撑剂造成污染,影响压裂作业的施工质量;二是作业过程中吨袋的底部被扎破导致吨袋无法再次利用,造成极大浪费。目前一个页岩气压裂作业平台平均6口井,每口井压裂支撑剂的加入量约2500吨,一个平台总共需要的压裂支撑剂约15000吨,需要约15000 个吨袋。每作业一个平台,就会浪费约15000个吨袋,伴随着页岩气压裂施工规模的扩大,对压裂支撑剂的需求量会越来越多,长此以往,页岩气的开发成本则会越来越多。
发明内容
本实用新型为了克服上述技术问题的不足,提供了一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,可以完全解决上述技术问题。
解决上述技术问题的技术方案如下:
一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,包括袋体和底部卸料装置,所述的袋体上纵向均匀设置四个吊带,吊带一直延伸到袋体底部,所述的底部卸料装置包括底绳、底盖布、卸料筒和控制绳索,所述的吊带延伸至袋体底部的下端设置有供底绳穿过的套体,所述的底绳穿过套体形成出料口,所述的卸料筒的上端与袋体一体连接,下端穿过出料口,所述的底盖布设置在卸料筒的外部,所述的底盖布均匀分成四等份,每等份都有固定端和自由端,底盖布的固定端与袋体的底部连接,底盖布的自由端设置有控制绳索穿绳套,所述的控制绳索穿过控制绳索穿绳套,控制绳索的两个绳索头分别穿过锁扣的左滑槽和右滑槽,纵向延伸至袋体的上部后与袋体连接,所述的锁扣在控制绳索上往复运动,将控制绳索收紧和松开,从而实现控制绳索的闭合和分开,进而实现卸料装置的闭合和打开。
所述的卸料筒和底盖布之间还设置一遮挡布。
所述的控制绳索的锁扣滑到袋体侧面时,控制绳索会由收紧状态变为松弛状态,袋体内的压裂支撑剂在重力作用下将底盖布上的控制绳索穿绳套连同底盖布撑开,然后遮挡布和卸料筒都会从出料口穿出,压裂支撑剂从卸料筒流下。
所述的锁扣包括锁壳和锁芯,所述的锁芯具有拉环和限位凸起,所述的限位凸起为2个,并呈对称设置,当锁芯远离锁壳滑动时,锁扣沿着控制绳索滑行,实现了空载时底盖布的关闭或开启,当锁芯滑动到锁壳内部时,所述的限位凸起分别在锁壳的左滑槽和右滑槽内滑动,某一位置处时,限位凸起卡死在锁壳的限位滑槽内,锁扣会被锁止,而不能在控制绳索上滑行,以此将控制绳索锁死保证了底盖布的封闭。
本实用新型的有益效果是:
本实用新型结构新颖,在压裂作业现场储运压裂支撑剂时,和常规的袋体一样,当用于释放压裂支撑剂作业的时候,免除人工破袋的操作,也不需要使用破袋器,避免了破袋产生的碎屑对压裂支撑剂造成的污染,影响下游生产的质量,免破吨袋可以重复使用,节省了大量的作业成本;通过锁扣装置可扩展为自动解袋,后续自动化程度较高,提高了作业效率,降低了操作人员的劳动强度。遮挡布、底盖布、卸料筒的配合可以保证压裂支撑剂可以全部投入到下游设备中,不造成浪费和污染。
附图说明
下面结合附图和具体实施方式对本实用新型作进一步详细的说明。
图1为本实用新型的锁扣滑到最底端,使得免破吨袋为封闭状态时的结构示意图;
图2为本实用新型的免破吨袋封闭状态时底部结构的仰视角度示意图;
图3为本实用新型的免破吨袋卸料状态时仰视角度示意图;
图4为本实用新型的卸料状态时的结构示意图;
图5为本实用新型的锁扣示意图;
图中:1为袋体,2为吊带,3为底绳,4为底盖布,5为卸料筒,6为控制绳索穿绳套,7为控制绳索,8为套体,9为锁扣,10为遮挡布,11为锁壳,12 为锁芯,13为锁芯的限位凸起,14为锁壳的限位滑槽。
具体实施方式
实施例1:
一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,包括袋体1和底部放料装置,袋体1上纵向均匀设置四个吊带2,底部放料装置包括底绳3、底盖布4、卸料筒5和控制绳索7,吊带2延伸至袋体1的底部,其下端部设置有供底绳穿过的套体8,底绳3穿过套体8形成出料口,卸料筒5的上端与袋体 1一体连接,下端穿过出料口,底盖布4设置在卸料筒5的外部,底盖布4均匀分成四等份,每份底盖布4的下端部均设置有控制绳索穿绳套6,控制绳索7穿过控制绳索穿绳套6,控制绳索7的两个绳索头分别穿过锁扣9的左滑槽和右滑槽,纵向延伸至袋体1的上部后与袋体1连接,锁扣9在控制绳索7上往复运动,就可以实现控制底盖布4的闭合和分开,从而实现放料装置的打开和关闭。
袋体1上的吊带2一直延伸到袋体底部。卸料筒5和底盖布4之间还设置一遮挡布10。控制绳索7的锁扣9滑到袋体1侧面时,控制绳索7会由收紧状态变为松弛状态,袋体内的压裂支撑剂随即会在重力作用下将底盖布4上的控制绳索穿绳套6连同底盖布4撑开,然后遮挡布10和卸料筒5都会从出料口穿出,压裂支撑剂随即从卸料筒流下。锁扣9包括锁壳11和锁芯12,锁芯12具有拉环和2个限位凸起13,所述的限位凸起13可以在锁壳的限位滑槽14内滑动,当锁芯12远离锁壳11滑动时,锁扣9可以沿着控制绳索7滑行,实现了空载时底盖布4的关闭或开启。当锁芯12靠近锁壳11滑动时,当锁芯12滑动到锁壳11内部时,限位凸起13分别在锁壳11的左滑槽和右滑槽内滑动,某一位置处时,限位凸起13卡死在锁壳的限位滑槽14内,锁扣9会被锁止,而不能在控制绳索7上滑行,以此将控制绳索7锁死保证了底盖布4的封闭。
锁扣9可以和机械手连接,受自动设备控制开启和关闭,实现自动化操作,提高作业效率。
本实用新型的工作原理为:
该实用新型在装压裂支撑剂之前,先将卸料筒5卷一下折叠到袋体1内部,然后将遮挡布10伸展平放在袋体1底部,然后再将底盖布4伸展放平在袋体1 底部,底盖布4的自由端有控制绳索穿绳套6,控制绳索7穿过控制绳索穿绳套 6,通过锁扣9将控制绳索7收紧,使袋子底部保证封闭。封闭后的袋体底部如图1-2所示。
要将袋体内的压裂支撑剂卸出来,可以拉动锁扣9的锁芯12上的拉环。锁芯12的限位凸起13会在锁壳11的限位滑槽14内远离锁壳滑动,使控制绳索7 松开,然后袋体内的压裂支撑剂会在重力作用下,自动将遮挡布10和底盖布4 撑开,最终卸料筒5由袋体内部穿过出料口落到袋体下方,袋体内的压裂支撑剂由卸料筒5卸出,此时的状态如图4所示。
以上所述,仅是本实用新型的较佳实施例,并非对本实用新型做任何形式上的限制,凡是依据本实用新型的技术实质上对以上实施例所作的任何简单修改、等同变化,均落入本实用新型的保护范围之内。
Claims (4)
1.一种压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,包括袋体和底部卸料装置,其特征在于,所述的袋体上纵向均匀设置四个吊带,吊带一直延伸到袋体底部,所述的底部卸料装置包括底绳、底盖布、卸料筒和控制绳索,所述的吊带延伸至袋体底部的下端设置有供底绳穿过的套体,所述的底绳穿过套体形成出料口,所述的卸料筒的上端与袋体一体连接,下端穿过出料口,所述的底盖布设置在卸料筒的外部,所述的底盖布均匀分成四等份,每等份都有固定端和自由端,底盖布的固定端与袋体的底部连接,底盖布的自由端设置有控制绳索穿绳套,所述的控制绳索穿过控制绳索穿绳套,控制绳索的两个绳索头分别穿过锁扣的左滑槽和右滑槽,纵向延伸至袋体的上部后与袋体连接,所述的锁扣在控制绳索上往复运动,将控制绳索收紧和松开,从而实现控制绳索的闭合和分开,进而实现卸料装置的闭合和打开。
2.根据权利要求1所述的压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,其特征在于,所述的卸料筒和底盖布之间还设置一遮挡布。
3.根据权利要求2所述的压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,其特征在于,所述的控制绳索的锁扣滑到袋体侧面时,控制绳索会由收紧状态变为松弛状态,袋体内的压裂支撑剂在重力作用下将底盖布上的控制绳索穿绳套连同底盖布撑开,然后遮挡布和卸料筒都会从出料口穿出,压裂支撑剂从卸料筒流下。
4.根据权利要求1所述的压裂作业现场储运和释放压裂支撑剂的专用免破吨袋,其特征在于,所述的锁扣包括锁壳和锁芯,所述的锁芯具有拉环和限位凸起,所述的限位凸起为2个,并呈对称设置,当锁芯远离锁壳滑动时,锁扣沿着控制绳索滑行,实现了空载时底盖布的关闭或开启,当锁芯滑动到锁壳内部时,所述的限位凸起分别在锁壳的左滑槽和右滑槽内滑动,某一位置处时,限位凸起卡死在锁壳的限位滑槽内,锁扣会被锁止,而不能在控制绳索上滑行,以此将控制绳索锁死保证了底盖布的封闭。
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