CN202895467U - 一种闭式系统混砂车 - Google Patents
一种闭式系统混砂车 Download PDFInfo
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Abstract
本实用新型公开了一种闭式系统混砂车，其特点是：由辅助吸入泵（1）、吸入管汇（2）、输砂装置（3）、混合排出泵（4）、排出管汇（5）及动力单元（6）组成；混合排出泵将混合罐和排出离心泵功能结合在一起，集成度高，使混砂设备的布局更加紧凑，通过控制混合排出泵的转速，实现对整个设备排量的控制，使设备的自动化控制更加简单，通过辅助吸入泵保证混合排出泵的供液充足，使混砂设备能满足单机大排量和便捷控制的需要。
Description
技术领域
本实用新型涉及油田油井地面作业装置技术领域，具体地讲是一种闭式系统混砂车。
背景技术
混砂车作为压裂车组的核心设备广泛应用于石油天然气领域，但是传统的混砂车由于混砂罐和排出离心泵单独布置导致单机所达到的最大排量有限，而且控制混砂车的排量需要控制吸入泵转速、排出泵转速、混砂罐液位三个参数，控制复杂，对操作工操作要求高。
发明内容
本实用新型的目的是克服上述技术的不足，而提供一种闭式系统混砂车，主要解决现有的设备导致单机所达到的最大排量有限、控制复杂及对操作工操作要求高等问题。
本实用新型的技术方案是：一种闭式系统混砂车，其特殊之处在于：由辅助吸入泵、吸入管汇、输砂装置、混合排出泵、排出管汇及动力单元组成；所述动力单元分别为辅助吸入泵、混合排出泵、输砂装置提供动力；所述吸入管汇通过辅助吸入泵与混合排出泵相连接，为混合排出泵提供压裂基液；所述输砂装置与混合排出泵连接，为混合排出泵提供砂；所述混合排出泵与排出管汇相连接，将砂和压裂基液混合后经排出管汇排出；辅助吸入泵和混合排出泵通过吸入管汇和排出管汇组成闭式混合系统。
本实用新型的一种闭式系统混砂车与已有技术相比具有如下积极效果：1、混合排出泵实现高效率混砂和混合砂胶液泵送的作用，使设备布局更加紧凑，单机排量更高；2、通过控制混合排出泵的转速实现对设备排量的控制，易于实现整套设备的自动化控制。
附图说明：
图1为本实用新型的结构示意图。
图面说明：
1、辅助吸入泵，2、吸入管汇，3、输砂装置，4、混合排出泵，5、排出管汇，6、动力单元。
具体实施方式：
以下结合附图对本实用新型的原理和特征进行描述，所举实例只用于解释本实用新型，并非用于限定本实用新型的范围。
实施例1，如图1所示，将辅助吸入泵1通过吸入管汇2与混合排出泵4相通连接，为混合排出泵4提供压裂基液；再将输砂装置3与混合排出泵4连接，为混合排出泵4提供砂；将混合排出泵4与排出管汇5相通连接，由混合排出泵4将砂和压裂基液混合后经排出管汇5排出；最后将动力单元6分别与辅助吸入泵1、混合排出泵4和输纱装置3通过线路连接，为其提供动力。
以上所述仅为本实用新型的较佳实施例，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、改进等，均应包含在本实用新型的保护范围之内。
Claims (1)
1.一种闭式系统混砂车，其特征在于：由辅助吸入泵（1）、吸入管汇（2）、输砂装置（3）、混合排出泵（4）、排出管汇（5）及动力单元（6）组成；所述动力单元（6）为辅助吸入泵（1）、混合排出泵（4）、输砂装置（3）提供动力；所述吸入管汇（2）通过辅助吸入泵（1）与混合排出泵（4）相连接；所述输砂装置（3）与混合排出泵（4）连接；所述混合排出泵（4）与排出管汇（5）相连接；所述辅助吸入泵（1）和混合排出泵（4）通过吸入管汇（2）和所述排出管汇（5）组成闭式混合系统。
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2012
- 2012-07-14 CN CN 201220339840 patent/CN202895467U/zh not_active Expired - Fee Related
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