CN203823431U - 一种适用于极寒地区的直燃式液氮橇 - Google Patents
一种适用于极寒地区的直燃式液氮橇 Download PDFInfo
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Abstract
本实用新型涉及一种适用于极寒地区的直燃式液氮橇,属于油田施工的液氮设备技术领域。一种适用于极寒地区的直燃式液氮橇,包括动力传动系统、直燃式液氮蒸发系统、液氮管汇系统和电气控制系统组成,所述动力传动系统包括发动机、变速箱、传动轴,所述直燃式液氮蒸发系统包括直燃式蒸发器,所述液氮管汇系统包括低压液氮吸入管汇、液氮泵系统、高压氮气排出管汇。本实用新型由液氮柱塞泵将液氮罐内的低压低温液氮增压,经过直燃式蒸发器进行加热,将液氮转变为高压常温氮气排出,具有排量大,压力高等优点,能够满足极寒地区使用。
Description
技术领域
本实用新型涉及一种适用于极寒地区的直燃式液氮橇,属于油田施工的液氮设备技术领域。
背景技术
随着对油田、气田开采技术的提高和对石油需求的增大,油田液氮设备在油田勘探试油、油层改造、安全试压、稠油作业、氮气钻井和氮气泡沫压裂等领域发挥着越来越重要的作用。氮气对保证油田增产、稳产方面,油田液氮设备起到积极效果。但目前直燃式液氮设备主要应用在-30~45℃的环境,所以开发满足极寒地区使用的大排量直燃式液氮设备势在必行。
实用新型内容
为解决现有技术的不足,本实用新型提供了一种能够适用于极寒地区的直燃式液氮橇,其由液氮柱塞泵将液氮罐内的低压低温液氮增压,经过直燃式蒸发器进行加热,将液氮转变为高压常温氮气排出,具有排量大,压力高等优点。极寒地区的温度一般在-40摄氏度左右,本实用新型提供的直燃式液氮橇能够满足极寒地区使用。
本实用新型通过如下技术方案来实现上述目的。
一种适用于极寒地区的直燃式液氮橇,包括动力传动系统、直燃式液氮蒸发系统、液氮管汇系统和电气控制系统组成,所述动力传动系统包括发动机、变速箱、传动轴,所述直燃式液氮蒸发系统包括直燃式蒸发器,所述液氮管汇系统包括低压液氮吸入管汇、液氮泵系统、高压氮气排出管汇,其中:
所述低压液氮吸入管汇、所述液氮泵系统、所述直燃式蒸发器、所述高压氮气排出管汇依次连接,其中,所述低压液氮吸入管汇用于将低压液氮引入所述液氮泵系统,所述液氮泵系统用于将低压液氮增压成为高压液氮,所述直燃式蒸发器用于将高压液氮加热成为常温高压氮气,所述高压氮气排出管汇用于排出常温高压氮气;
所述电气控制系统与所述动力传动系统、所述液氮泵系统连接,用于控制所述发动机的工作和所述液氮泵系统的液压阀的开闭。
优选的,还包括辅助加热系统,所述的辅助加热系统包括燃油加热器、液压油换热器、润滑油散热器、燃油换热器,所述液压油换热器、所述润滑油散热器、所述燃油换热器并联,并通过所述燃油加热器对其单独或一起加热。
优选的,还包括空调冷暖系统。
优选的,还设置控制室,所述控制室四面设置有窗。
优选的,所述的控制室采用保温棉和隔音材料。
优选的,所述电气控制系统设置加热装置,用于对PLC和显示屏等仪表进行加热。
附图说明
图1为本实用新型主视图。
图2为本实用新型俯视图。
附图中,各标号所代表的结构部件如下:
1、散热器;2、发动机;3、工具箱;4、操作平台;5、蒸发器;6、控制室;7、低压液氮吸入管汇;8、冷暖空调;9、液氮泵系统;10、液压系统;11、变速箱;12、辅助加热系统;13、灭火器;14、橇架;15、高压氮气排出管汇;16、传动轴;17、电气控制系统。
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。
本实用新型涉及油田技术领域的一种适用于极寒地区的直燃式液氮橇。由动力传动系统、直燃式液氮蒸发系统、控制室6、液氮管汇系统、空调冷暖系统、辅助加热系统和电气控制系统组成,其各部件均安装布置在一个橇架14内,构成一个整体。所述的动力传动系统位于整橇的一侧,由散热器1、发动机2、变速箱11和传动轴16组成,并可以通过液压系统10为整个设备提供动力。所述的直燃式液氮蒸发系统,主要包括一个直燃式蒸发器5,用于直接燃烧燃油产生热量气化液氮,整体安装在操作平台4上。所述的控制室6位于整橇的一侧,主要控制操作均可在室内完成,控制室四面有窗,便于设备的操作与观察。所述的液氮管汇系统主要由低压液氮吸入管汇7、高压氮气排出管汇15和液氮泵系统9组成,用于输送液氮,为液氮在设备中流通提供通道。所述的空调冷暖系统,主要包括冷暖空调8,可用于极寒地区的取暖。所述的辅助加热系统12包括燃油加热器、液压油换热器、润滑油散热器、燃油换热器组成。所述电气控制系统17用于控制设备中发动机、液压阀等部件动作的同时显示设备运行的状况。
所述的辅助加热系统12,液压油换热器、润滑油散热器、燃油换热器并联,可以通过球阀控制燃油加热器对其单独或一起加热。
所述的动力传动系统中散热器1,根据极寒环境设计。
所述的电气控制系统17设置加热装置,可以对PLC和显示屏等仪表进行加热,是各仪表满足低温环境使用。
所述的直燃式蒸发器5,是通过直接燃烧燃油产生热量与液氮进行热交换,使液氮气化。
所述的冷暖空调系统的使用发动机冷却液的热量制热,可以通过球阀控制冷却液的开关。制冷使用空调室外机。
所述的液氮橇还包括工具箱3、灭火器13等辅助部件,满足现场作业需求。
工作原理:由外接液氮罐提供液氮,液氮由低压液氮吸入管汇7的进口进入液氮橇,通过一系列低温阀门控制液氮最终进入液氮泵9的吸入口。液氮泵9运转后,将低压液氮经柱塞增压成为高压液氮,高压液氮经液氮蒸发器5加热后变为常温高压氮气,然后经高压管汇排出系统15排出。
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 (6)
1.一种适用于极寒地区的直燃式液氮橇,包括动力传动系统、直燃式液氮蒸发系统、液氮管汇系统和电气控制系统组成,所述动力传动系统包括发动机、变速箱、传动轴,所述直燃式液氮蒸发系统包括直燃式蒸发器,所述液氮管汇系统包括低压液氮吸入管汇、液氮泵系统、高压氮气排出管汇,其中:
所述低压液氮吸入管汇、所述液氮泵系统、所述直燃式蒸发器、所述高压氮气排出管汇依次连接,其中,所述低压液氮吸入管汇用于将低压液氮引入所述液氮泵系统,所述液氮泵系统用于将低压液氮增压成为高压液氮,所述直燃式蒸发器用于将高压液氮加热成为常温高压氮气,所述高压氮气排出管汇用于排出常温高压氮气;
所述电气控制系统与所述动力传动系统、所述液氮泵系统连接,用于控制所述发动机的工作和所述液氮泵系统的液压阀的开闭。
2.根据权利要求1所述的适用于极寒地区的直燃式液氮橇,其特征在于:还包括辅助加热系统,所述的辅助加热系统包括燃油加热器、液压油换热器、润滑油散热器、燃油换热器,所述液压油换热器、所述润滑油散热器、所述燃油换热器并联,所述燃油加热器用于对与其连接的设备单独或共同加热。
3.根据权利要求1或2所述的适用于极寒地区的直燃式液氮橇,其特征在于:还包括空调冷暖系统。
4.根据权利要求1或2所述的适用于极寒地区的直燃式液氮橇,其特征在于:还设置控制室,所述控制室四面设置有窗。
5.根据权利要求4所述的适用于极寒地区的直燃式液氮橇,其特征在于:所述的控制室采用保温棉和隔音材料。
6.根据权利要求1或2所述的适用于极寒地区的直燃式液氮橇,其特征在于,所述电气控制系统设置加热装置,用于对PLC和显示屏等仪表进行加热。
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