CN208750405U - 一种空温式氮气发生装置 - Google Patents
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Abstract
本实用新型提供了一种空温式氮气发生装置,包括液氮供液系统、氮气排出系统、动力系统、液压系统、润滑系统和热交换柜,所述热交换柜设有气化器,所述热交换柜还设有用于加快热交换柜内热量交换的风机,所述动力系统设有发动机、发动机进气系统、发动机排气系统和燃油系统,所述热交换柜内设有热源供应单元用于加热气化器中的液氮,热源供应单元的热量来源包括发动机缸套水热量、发动机中冷水热量、发动机废气热量、液压系统内液压油热量和润滑系统内润滑油的热量,所述液压系统由动力系统驱动,所述液压系统为风机提供动力,所述润滑系统为柱塞泵提供润滑作用。本实用新型利用了系统废热,为系统散热,设备尺寸可以做的更小,不受季节的影响,全年可以使用。
Description
技术领域
本实用新型涉及油气开采设备中的液氮发生设备领域,具体涉及一种空温式氮气发生装置。
背景技术
传统的空温式氮气发生设备,通过空温式气化器,利用环境空气温度与管内液氮进行热交换,进而实现产生氮气的目的。这种汽化器的特点是受环境温度影响较大,当环境温度低于20℃时,随着环境温度的逐渐降低,汽化器表面往往会逐渐结上厚厚的冰霜。结霜的时间受环境温度的影响,环境温度越低,结霜时间就越快,霜层厚度也越厚,造成气化器和空气的温差小而热交换不足,严重影响氮气产量。同时随着氮气排量的增大,空温式气化器尺寸随之增大,设备的尺寸也在增大,造成设备占地面积增大,移运性变差等技术难题。
实用新型内容
本实用新型的目的在于克服现有技术的不足之处,提供一种空温式氮气发生装置,利用了系统废热,为系统散热,设备尺寸可以做的更小,不受季节的影响,全年可以使用。
本实用新型的目的是通过以下技术措施达到的:
一种空温式氮气发生装置,包括液氮供液系统、氮气排出系统、动力系统、液压系统、润滑系统和热交换柜,所述热交换柜设有气化器,所述热交换柜还设有用于加快热交换柜内热量交换的风机,所述动力系统设有发动机、发动机进气系统、发动机排气系统和燃油系统,所述热交换柜内设有热源供应单元用于加热气化器中的液氮,热源供应单元的热量来源包括发动机缸套水热量、发动机中冷水热量、发动机废气热量、液压系统内液压油热量和润滑系统内润滑油的热量,所述液压系统由动力系统驱动,所述液压系统为风机提供动力,液压系统中设有柱塞泵,所述润滑系统为柱塞泵提供润滑作用。
进一步地,所述热交换柜设置有隔热装置。
进一步地,所述热源供应单元包括发动机水散、发动机废气热交换器、液压油换热器和润滑油换热器,所述发动机水散用于给发动机缸套水、发动机中冷水散热,所述发动机废气热交换器用于吸收发动机废气热量,所述液压油换热器用于给液压油散热,所述润滑油换热器用于给润滑油散热。
进一步地,所述热交换柜中的发动机废气热交换器、发动机水散、液压油换热器和润滑油换热器的位置按照与气化器的距离从小到大的顺序排列为发动机废气热交换器、发动机水散、液压油换热器和润滑油换热器。
进一步地,所述热交换柜中的风机产生的风向为从远离气化器的一端到气化器的一端。
由于采用了上述技术方案,本实用新型的优点是:
利用发动机缸套水热量、发动机中冷水热量、发动机废气热量、液压油热量、润滑油热量给空温式气化器周围空气升温,并维持在一定温度范围内,解决了空温式气化器易受环境温度影响易结霜等问题,从而效率降低的问题,使得设备不受季节的影响,全年可以使用,同时又实现了对发动机缸套水、发动机中冷水、液压油及润滑油降温的目的;
利用系统热量,相比同排量的设备,空温式气化器可以做的更小,设备的尺寸随之也变小,占地面积减小,设备的移运性能提升;
热交换柜周围的隔热装置有助于维持住柜内的空气温度,降低柜内外空气温差的影响,提高热交换效率;
风机同时实现了热交换柜内的空气流通,为发动机水散、发动机废气热交换器、液压油换热器及润滑油换热器提供换热空气,一机多用。
下面结合附图和具体实施方式对本实用新型作进一步说明。
附图说明
图1是本实用新型的结构示意图。
其中,1、液氮供液系统;2、风机;3、热交换柜;4、液压油换热器;5、润滑油换热器;6、发动机水散;7、发动机废气热交换器;8、气化器;9、氮气排出系统。
具体实施方式
实施例,如图1所示,一种空温式氮气发生装置,包括液氮供液系统1、氮气排出系统9、动力系统、液压系统、润滑系统和热交换柜3,所述热交换柜3设有气化器8,所述热交换柜3还设有用于加快热交换柜3内热量交换的风机2,所述动力系统设有发动机、发动机进气系统、发动机排气系统和燃油系统,所述热交换柜3内设有热源供应单元用于加热气化器8中的液氮,热源供应单元的热量来源包括发动机缸套水、中冷水热量、发动机废气热量、液压系统内液压油热量和润滑系统内润滑油的热量,所述液压系统由动力系统驱动,所述液压系统为风机2提供动力,液压系统中设有柱塞泵,所述润滑系统为柱塞泵提供润滑作用,液氮供液系统1和氮气排出系统9在液氮发生设备领域中,本领域技术人员能够实现,液氮供液系统1将液氮通入气化器8中,待换热后液氮气化为氮气再由氮气排出系统9排出。风机2促动热交换柜3内的空气流动,风机2的转动需要相应的动力系统、驱动系统,动力系统、驱动系统和润滑系统相应会产生废热的问题,本实用新型将废热用于液氮气化所需的热量,在本实用新型中提到的动力系统、驱动系统和润滑系统,动力系统驱动液压系统,润滑系统为柱塞泵提供润滑作用均是本领域技术人员能够实现的技术手段。发动机水散为发动机水箱散热器。
所述热交换柜3设置有隔热装置。本实施例中热交换柜3为方形,除风机2所在的面外其他五个面均设置隔热装置,隔热装置采用隔热材料安装在热交换柜3外即可。
所述热源供应单元位于热交换柜3内实现热量交换,热源供应单元包括发动机水散6、发动机废气热交换器7、液压油换热器4和润滑油换热器5,所述发动机水散用于给发动机缸套水、中冷水散热,所述发动机废气热交换器7用于吸收发动机废气热量,所述液压油换热器4用于给液压油散热,所述润滑油换热器5用于给润滑油散热。
所述热交换柜3中的发动机废气热交换器7、发动机水散6、液压油换热器4和润滑油换热器5的位置按照与气化器8的距离从小到大的顺序排列为发动机废气热交换器7、发动机水散6、液压油换热器4和润滑油换热器5。所述热交换柜3中的风机2产生的风向为从远离气化器8的一端到气化器8的一端。图1中风机2处箭头方向即为风向即热交换柜3内空气流动方向,风机2产生的风先经过液压油换热器4和润滑油换热器5,再依次经过发动机水散6和发动机废气热交换器7到达气化器8。
Claims (5)
1.一种空温式氮气发生装置,包括液氮供液系统、氮气排出系统、动力系统、液压系统、润滑系统和热交换柜,所述热交换柜设有气化器,其特征在于:所述热交换柜还设有用于加快热交换柜内热量交换的风机,所述动力系统设有发动机、发动机进气系统、发动机排气系统和燃油系统,所述热交换柜内设有热源供应单元用于加热气化器中的液氮,热源供应单元的热量来源包括发动机缸套水热量、发动机中冷水热量、发动机废气热量、液压系统内液压油热量和润滑系统内润滑油的热量,所述液压系统由动力系统驱动,所述液压系统为风机提供动力,液压系统中设有柱塞泵,所述润滑系统为柱塞泵提供润滑作用。
2.根据权利要求1所述的一种空温式氮气发生装置,其特征在于:所述热交换柜设置有隔热装置。
3.根据权利要求1所述的一种空温式氮气发生装置,其特征在于:所述热源供应单元包括发动机水散、发动机废气热交换器、液压油换热器和润滑油换热器,所述发动机水散用于给发动机缸套水、发动机中冷水散热,所述发动机废气热交换器用于吸收发动机废气热量,所述液压油换热器用于给液压油散热,所述润滑油换热器用于给润滑油散热。
4.根据权利要求1所述的一种空温式氮气发生装置,其特征在于:所述热交换柜中的发动机废气热交换器、发动机水散、液压油换热器和润滑油换热器的位置按照与气化器的距离从小到大的顺序排列为发动机废气热交换器、发动机水散、液压油换热器和润滑油换热器。
5.根据权利要求4所述的一种空温式氮气发生装置,其特征在于:所述热交换柜中的风机产生的风向为从远离气化器的一端到气化器的一端。
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